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Indian Air Force Agniveer Science & Other than Science Mock Test - 1 - Indian Air Force Agniveer Vayu MCQ


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30 Questions MCQ Test Indian Air Force Agniveer Vayu Group X Mock Test Series 2024 - Indian Air Force Agniveer Science & Other than Science Mock Test - 1

Indian Air Force Agniveer Science & Other than Science Mock Test - 1 for Indian Air Force Agniveer Vayu 2024 is part of Indian Air Force Agniveer Vayu Group X Mock Test Series 2024 preparation. The Indian Air Force Agniveer Science & Other than Science Mock Test - 1 questions and answers have been prepared according to the Indian Air Force Agniveer Vayu exam syllabus.The Indian Air Force Agniveer Science & Other than Science Mock Test - 1 MCQs are made for Indian Air Force Agniveer Vayu 2024 Exam. Find important definitions, questions, notes, meanings, examples, exercises, MCQs and online tests for Indian Air Force Agniveer Science & Other than Science Mock Test - 1 below.
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Indian Air Force Agniveer Science & Other than Science Mock Test - 1 - Question 1

The distance travelled by a particle starting from rest and moving with an acceleration 4/3ms-2 , in the third second is:

Detailed Solution for Indian Air Force Agniveer Science & Other than Science Mock Test - 1 - Question 1

Distance travelled in the nth second is given by 

put u = 0,  

Indian Air Force Agniveer Science & Other than Science Mock Test - 1 - Question 2

Heat is supplied to the gas, but its internal energy does not increase. What is the process involved?

Detailed Solution for Indian Air Force Agniveer Science & Other than Science Mock Test - 1 - Question 2

From the first law of thermodynamics dQ = dU + dW, so clearly for the isothermal expansion or compression of a real gas where u = f(T) from the first law dU = 0 which means that the entire heat supplied is converted into work but from the second law of thermodynamics we find that in no process can the entire heat supplied can  be converted into work hence in reality some fraction of heat supplied is always used to increase the internal energy of the system.

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Indian Air Force Agniveer Science & Other than Science Mock Test - 1 - Question 3

The second law of thermodynamics says

Detailed Solution for Indian Air Force Agniveer Science & Other than Science Mock Test - 1 - Question 3

The second law of thermodynamics gives a fundamental limitation to the efficiency of a heat engine and the coefficient of performance of a refrigerator. It says that the efficiency of a heat engine can never be unity or 100%, this implies that the heat released to the cold reservoir can never be made zero.
For a refrigerator the second law says that the coefficient through performance can never be infinite, this implies that the external work can never be zero.

Indian Air Force Agniveer Science & Other than Science Mock Test - 1 - Question 4

The velocity of a particle moving with simple harmonic motion is____ at the mean position.

Detailed Solution for Indian Air Force Agniveer Science & Other than Science Mock Test - 1 - Question 4

Equation of SHM particle: 
Y=a sinωt
V=aω sinωt
Vmax = aω
So the velocity is maximum at mean position

Indian Air Force Agniveer Science & Other than Science Mock Test - 1 - Question 5

According to Maxwell’s equations

Indian Air Force Agniveer Science & Other than Science Mock Test - 1 - Question 6

An electron, proton and a jeep all have the same wavelength. The one possessing the highest velocity is​

Detailed Solution for Indian Air Force Agniveer Science & Other than Science Mock Test - 1 - Question 6

The de-broglie equation states, mv=h/l

= v=h/lm

the velocity here is inversely dependant on the masses.

Higher the mass lower will be the velocity.

Therefore, electron will have a higher velocity to produce matter waves of same wavelength.

Indian Air Force Agniveer Science & Other than Science Mock Test - 1 - Question 7

According to ‘plum pudding model’ atoms on the whole are electrically neutral because

Detailed Solution for Indian Air Force Agniveer Science & Other than Science Mock Test - 1 - Question 7

The plum pudding model is one of several scientific models of the atom. According to J.J. Thomson atomic models the positive particles in the atom form something like the "batter" in a plum pudding, while the negative electrons are scattered through this "batter".

Indian Air Force Agniveer Science & Other than Science Mock Test - 1 - Question 8

Let U = {1, 2, 3, 4, 5, 6, 7, 8, 9, 10}, A = {1, 2, 5}, B = {6, 7}. Then A ∩ B’ is:

Detailed Solution for Indian Air Force Agniveer Science & Other than Science Mock Test - 1 - Question 8

The correct answer is a) A

  • B' gives us all the elements in U other than 6 and 7 i.e., B' = {1, 2, 3, 4, 5, 8, 9, 10}
  • The intersection of this set with A will be the common elements in both of these (A and B') i.e., = {1, 2, 5} which is set A itself.
Indian Air Force Agniveer Science & Other than Science Mock Test - 1 - Question 9

cos 68° cos 8° + sin 68° sin 8° = ?

Detailed Solution for Indian Air Force Agniveer Science & Other than Science Mock Test - 1 - Question 9

We know, 
cosA cosB + sinA sinB = cos(A-B)

cos 68° cos 8° + sin 68° sin 8° = Cos (68-8) = Cos60°
=1/2

Indian Air Force Agniveer Science & Other than Science Mock Test - 1 - Question 10

sin 51° + cos 81° = ?

Detailed Solution for Indian Air Force Agniveer Science & Other than Science Mock Test - 1 - Question 10

Indian Air Force Agniveer Science & Other than Science Mock Test - 1 - Question 11

The distance of the point (x, y) from the origin is

Detailed Solution for Indian Air Force Agniveer Science & Other than Science Mock Test - 1 - Question 11

Step-by-step explanation:  We are given to find the distance of the point (x, y) from the origin.

We know that the co-ordinates of the origin are (0, 0).

And, the distance between any two points (a, b) and (c, d) is given by the following distance formula:

Therefore, the distance between the point (x, y) and the origin will be

Indian Air Force Agniveer Science & Other than Science Mock Test - 1 - Question 12

Which of the following is a matrix of the order 2×2 where the equation of the elements is given by aij=i+j.

Detailed Solution for Indian Air Force Agniveer Science & Other than Science Mock Test - 1 - Question 12

Indian Air Force Agniveer Science & Other than Science Mock Test - 1 - Question 13

The value of 

Detailed Solution for Indian Air Force Agniveer Science & Other than Science Mock Test - 1 - Question 13

To find the determinant we have to cross mutliply the elements and then subtract it.
cos2θ - (-sin2θ) = 1

Indian Air Force Agniveer Science & Other than Science Mock Test - 1 - Question 14

Let f (x) = x sin 1/x, x ≠ 0, then the value of the function at x = 0, so that f is continuous at x = 0, is

Detailed Solution for Indian Air Force Agniveer Science & Other than Science Mock Test - 1 - Question 14

f(0) = lim(x→0) x sin (1/x)
​We know ∀ x ∈ R,sin (1/x) ∈ [−1,1]
Hence, f(0) = lim(x→0) xsin(1/x) 
= 0

Indian Air Force Agniveer Science & Other than Science Mock Test - 1 - Question 15

The area bounded by the curve y = 4x - x2 and the x- axis is equal to

Detailed Solution for Indian Air Force Agniveer Science & Other than Science Mock Test - 1 - Question 15

For x - axis, y = 0,

Therefore, 4x - x2 = 0

Therefore, x = 0 or x = 4

Required area :

Indian Air Force Agniveer Science & Other than Science Mock Test - 1 - Question 16

The sample space of an experiment is S = {HHH, HHT, HTH, THH, HTT, THT, TTH, TTT} and A = {TTT}, B = {HTT, THT, TTH}, C = {HHT, HTH, THH, HHH}, then A, B and C form a set of?

Detailed Solution for Indian Air Force Agniveer Science & Other than Science Mock Test - 1 - Question 16

Above information has no common element in three of them and U of three sets forms sample set . Therefore option C is correct.

Indian Air Force Agniveer Science & Other than Science Mock Test - 1 - Question 17

Direction: You are required to identify the words that are contextually similar to the phrase given in underline and mark that as your answer.

Q. The persons began to smell a rat when the company ceased paying dividends and delayed the mandatory audit.

Detailed Solution for Indian Air Force Agniveer Science & Other than Science Mock Test - 1 - Question 17

Smell a rat: Suspect that something is not right.
For example: When he made that offer, I smelt a rat. It sounded too good to be true.
From the meaning above, options (B) and (C) are incorrect. Out of options (A) and (D), option (A) is a better choice as wonder means the desire to know something; feel curious.

Indian Air Force Agniveer Science & Other than Science Mock Test - 1 - Question 18

Direction: In this question, out of the four alternatives, choose the one which can be substituted for the given words/sentence.

Q. Beams that support the roof

Detailed Solution for Indian Air Force Agniveer Science & Other than Science Mock Test - 1 - Question 18

Beams that support the roof are called rafters.
Sentence Usage: His voice got higher and slower as if he expected it to be rising into the church rafters.

Indian Air Force Agniveer Science & Other than Science Mock Test - 1 - Question 19

Direction: In this question, choose the word that best expresses the meaning of the given word and mark it as your answer.

Q. Awkward

Detailed Solution for Indian Air Force Agniveer Science & Other than Science Mock Test - 1 - Question 19
  • Gauche: lacking social polish; lacking social grace and assurance
  • Use the word gauche when you want to call something tacky, graceless, tactless, rude, boorish, or awkward and foolish.
  • For example: His loud talking at the opera marked him as gauche and uncultured.
  • Synonyms: graceless, unpolished, inelegant, clumsy, awkward, ungraceful
  • Antonyms: assured, calm, graceful, suave, urbane

And the other meanings:

  • Naive: Without enough experience of life and too ready to believe or trust other people
  • Guffaw: To laugh loudly, especially at something silly
  • Grandiloquent: Complicated or formal words in speech or writing in order to impress people
Indian Air Force Agniveer Science & Other than Science Mock Test - 1 - Question 20

Direction: Improve the bracketed part of the sentence.

Q. Akhil told the conductor that he would not mind (standing and traveling) in the bus.

Detailed Solution for Indian Air Force Agniveer Science & Other than Science Mock Test - 1 - Question 20

A gerund is the –ing form of a verb that functions the same as a noun. For example, “Running is fun.” In this sentence, “running” is the gerund. An infinitive usually begins with the word “to” and is followed by the base form of a verb.
Both the objects of the sentence should either be in gerunds or infinitives.

Indian Air Force Agniveer Science & Other than Science Mock Test - 1 - Question 21

Directions: Choose the correct antonym of the given word out of the four options.

Q. Candour

Detailed Solution for Indian Air Force Agniveer Science & Other than Science Mock Test - 1 - Question 21

Let's see the meanings of the given words-

  • Candour- is a noun that means the quality of being open and honest.
    • Example: Mark's candour was appreciated by his colleagues when he admitted his mistake in the report and took responsibility for it.
  • Evasiveness- tending to avoid commitment or self-revelation.
    • Example: When asked about his plans for the weekend, Jack responded with evasiveness, saying he might be busy without giving any specific details.
  • Frankness- is a noun that means candid and honest.
    • Example: Sarah appreciated her friend's frankness when he told her directly that her new haircut didn't suit her.
  • Depth- is a noun that means the quality of being intense or extreme.
    • Example: The painting had such depth that it felt like you could step into the scene and explore the intricate details.
  • Sincerity- is a noun that means Free from deceit.
    • Example: Tom thanked his teacher with sincerity for the guidance and support provided throughout the academic year.​

So according to the meaning of the given words, the correct antonym of the word is Option 1 i.e. Evasiveness. 

Indian Air Force Agniveer Science & Other than Science Mock Test - 1 - Question 22

In the following question, out of the four alternatives, the descriptive sentence is aptly described by just one word. Select the choice which gives the meaning most appropriately.

Q. A person who seizes something without the right to do so.

Detailed Solution for Indian Air Force Agniveer Science & Other than Science Mock Test - 1 - Question 22

'Usurper' is a 'noun' which means 'a person who usurps (= takes control of) something, especially a position of power, without having the right'.

  • Example in the sentence: Power was seized by a brutal usurper.

Let us explore the given options

Origin: Usurp was borrowed into English in the 14th century from the Anglo-French word 'usorper', which in turn derives from the Latin verb 'usurpare', meaning "to take possession of without a legal claim."  

Indian Air Force Agniveer Science & Other than Science Mock Test - 1 - Question 23

Directions Read the passage below and answer the questions that follow-
It is possible to give wedding presents, birthday and Christmas presents, without any thought of affection at all, they can be ordered by postcard; but the unbirthday present demands the nicest care. It is therefore the best of all, and it is the only kind to which the golden rule of present-giving imperatively applies - the golden rule which insists that you must never give to another person anything that you would not rather keep: nothing that does not cost you a pang to part from. It would be better if this rule governed the choice also of those other three varieties of gifts, but they can be less exacting.

Q. The author says that wedding, birthday and Christmas presents

Detailed Solution for Indian Air Force Agniveer Science & Other than Science Mock Test - 1 - Question 23
  • Let's consider the following statements from the above passage.
    • It is possible to give wedding presents, birthday and Christmas presents, without any thought of affection at all, they can be ordered by postcard; but the unbirthday present demands the nicest care.
  • From the highlighted part of the above statement, it is clear that the author says that wedding, birthday and Christmas presents,may not always be given with any thought of affection."
  • Thus, as per the above explanation, the correct answer is "May not always be given with any thought of affection"

Correct Answer: May not always be given with any thought of affection

Indian Air Force Agniveer Science & Other than Science Mock Test - 1 - Question 24

Directions Read the passage below and answer the questions that follow-
It is possible to give wedding presents, birthday and Christmas presents, without any thought of affection at all, they can be ordered by postcard; but the unbirthday present demands the nicest care. It is therefore the best of all, and it is the only kind to which the golden rule of present-giving imperatively applies - the golden rule which insists that you must never give to another person anything that you would not rather keep: nothing that does not cost you a pang to part from. It would be better if this rule governed the choice also of those other three varieties of gifts, but they can be less exacting.

Q. The writer is of the view that one should give a present that

Detailed Solution for Indian Air Force Agniveer Science & Other than Science Mock Test - 1 - Question 24
  • The passage clearly states that when giving an "unbirthday present," one should follow the golden rule of present-giving, which insists that you should never give another person anything that you would not rather keep for yourself.
  • The passage goes on to state that the best kind of present is the unbirthday present because it demands the "nicest care."
  • Therefore, based on the references given in the passage, it is evident that the writer is of the view that one should give a present that they would like to possess themselves, rather than one they would like to get rid of. This is in line with the golden rule of present-giving that the passage emphasizes.

Thus, the correct answer is "One would like to possess oneself"
Correct answer:  "One would like to possess oneself

Indian Air Force Agniveer Science & Other than Science Mock Test - 1 - Question 25

Explain which one of these is different from the other?

Detailed Solution for Indian Air Force Agniveer Science & Other than Science Mock Test - 1 - Question 25

All others are divisible by 7 whereas 65 is not divisible by 7.

Indian Air Force Agniveer Science & Other than Science Mock Test - 1 - Question 26

What approximate value should come in place of the question mark (?) in the following number series?

26, 65, 145, ? , 577

Detailed Solution for Indian Air Force Agniveer Science & Other than Science Mock Test - 1 - Question 26

The series follows the following pattern:
(2 + 3)2 + 1 = 25 + 1 = 26
(3 + 5)2 + 1 = 64 + 1 = 65
(5 + 7)2 + 1 = 144 + 1 = 145
(7 + 11)2 + 1 = 324 + 1 = 325
(11 + 13)2 + 1 = 576 + 1 = 577
∴ The required number in the series is 325.

Indian Air Force Agniveer Science & Other than Science Mock Test - 1 - Question 27

What approximate value should come in place of the question mark (?) in the following question?

Detailed Solution for Indian Air Force Agniveer Science & Other than Science Mock Test - 1 - Question 27

To solve this question, follow the BODMAS rule,

We can write the given values as follows:

Indian Air Force Agniveer Science & Other than Science Mock Test - 1 - Question 28

Direction: Read the information carefully and answer the following question.

  • ‘C & D’ means ‘C is the son of D’
  • ‘C * D’ means ‘C is the father of D’
  • ‘C @ D’ means ‘C is the mother of D’
  • ‘C # D’ means ‘C is the daughter of D’
  • ‘C % D’ means ‘C is the brother of D’
  • ‘C = D’ means ‘C is the sister of D’

Q. What does the expression ‘W @ R = O % P & Q’?

Detailed Solution for Indian Air Force Agniveer Science & Other than Science Mock Test - 1 - Question 28

Given expression: W @ R = O % P & Q, means that
W is mother of R. R is sister of O. O is brother of P. P is son of Q.

So, from the figure, we can see that R is the daughter of Q.

Indian Air Force Agniveer Science & Other than Science Mock Test - 1 - Question 29

Which number completes the puzzle?

Detailed Solution for Indian Air Force Agniveer Science & Other than Science Mock Test - 1 - Question 29

As you move diagonally down, numbers follow the sequence of prime numbers.
The sequence of prime numbers:
2, 3, 5, 7, 11, 13, 17, 19, 23, 29, 31, 37, 41, 43, 47, 53, 59, 61, 67, 71, 73, 79, 83, 89, 97
According to this sequence, number 19 will complete the puzzle.

Indian Air Force Agniveer Science & Other than Science Mock Test - 1 - Question 30

The speed of a boat in still water is 17 km/hr and the speed of a stream is 11 km/hr. Find the difference between the upstream speed and the downstream speed of the boat.

Detailed Solution for Indian Air Force Agniveer Science & Other than Science Mock Test - 1 - Question 30

Given data:
Speed of boat in still water = 17 km/hr
Speed of stream = 11 km/hr
Concept: Upstream speed = Boat speed - Stream speed
Downstream speed = Boat speed + Stream speed
Solution:
⇒ Upstream speed = 17 - 11 = 6 km/hr
⇒ Downstream speed = 17 + 11 = 28 km/hr
⇒ Difference = Downstream speed - Upstream speed = 28 - 6 = 22 km/hr
Therefore, the difference between the upstream and downstream speed of the boat is 22 km/hr.

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