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TS EAMCET Mock Test - 10 - JEE MCQ


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30 Questions MCQ Test - TS EAMCET Mock Test - 10

TS EAMCET Mock Test - 10 for JEE 2024 is part of JEE preparation. The TS EAMCET Mock Test - 10 questions and answers have been prepared according to the JEE exam syllabus.The TS EAMCET Mock Test - 10 MCQs are made for JEE 2024 Exam. Find important definitions, questions, notes, meanings, examples, exercises, MCQs and online tests for TS EAMCET Mock Test - 10 below.
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TS EAMCET Mock Test - 10 - Question 1
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A zener diode works on the principle of

TS EAMCET Mock Test - 10 - Question 2
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A hollow metal sphere of radious 10 cm is charged such that the potential on its surface is 80V. The potential at the centre of the sphere is

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TS EAMCET Mock Test - 10 - Question 3
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Three different capacitors are connected in series. Then:

TS EAMCET Mock Test - 10 - Question 4
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Which of the following forms a perfect image free from all aberrations?
TS EAMCET Mock Test - 10 - Question 5
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The flux linked with a coil at any instant t is given by
φ = 10t2 - 50t + 250
The induced emf at t = 3 s is
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According to Lenz's law,

TS EAMCET Mock Test - 10 - Question 6
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The working of a dynamo is based on principle of
TS EAMCET Mock Test - 10 - Question 7
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In the given circuit, the current drawn from the source is
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Impedence of the circuit,

Peak value of the current,


Hence, r.m.s. value of the current is

TS EAMCET Mock Test - 10 - Question 8
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Which of the following does not obey the phenomenon of mutual induction?
TS EAMCET Mock Test - 10 - Question 9
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The de-Broglie wavelength of a particle moving with a velocity 2 .25 x 108 m s-1 is equal to the wavelength of a photon. The ratio of kinetic energy of the particle to the energy of the photon is [ velocity of light = 3 x 108 m s-1  ]
Detailed Solution for TS EAMCET Mock Test - 10 - Question 9

From Compton effect
λ = h/p = c/v [From de-Broglie wavelength]
c p = h v

TS EAMCET Mock Test - 10 - Question 10
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The internal resistance of a primary cell is 4 Ω. It generates a current of 0.2 A in an external resistance of 21 Ω. The rate at which chemical energy is consumed in providing the current is
TS EAMCET Mock Test - 10 - Question 11
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Which of the following Fischer's projection formula is identical to D-glyceraldehyde ?
TS EAMCET Mock Test - 10 - Question 12
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The IUPAC name of [Cr(NH₃)₆]3+ is
TS EAMCET Mock Test - 10 - Question 13
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If the pressure on a NaCl structure is increased, then its co-ordination number will
TS EAMCET Mock Test - 10 - Question 14
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Which of the following is not correct?
TS EAMCET Mock Test - 10 - Question 15
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The most suitable reagent for the following conversion, is:
Detailed Solution for TS EAMCET Mock Test - 10 - Question 15

(i) Na/ Liquid NH3 (Birch reduction) it reduces non-terminal alkynes into alkene (trans/anti addition)
(ii) H2/Pd−C, quinoline (lindlar catalyst) reduces alkyne into alkene by syn addition. This will give the required product.
(iii) Zn/HCl is Clemmensen reduction which reduced carbonyl into an alkene.
(iv) Hg+2/H⊕, H2O is an electrophilic addition reaction, which converts alkyne into ketone.

TS EAMCET Mock Test - 10 - Question 16
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The hypothetical complex triamminediaquachloridocobalt(III) chloride can be represented as -
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The hypothetical complex chlorodiaquatriamminecobalt(III) chloride is represented as
[Co (NH3)3(H2O)2Cl] Cl2

TS EAMCET Mock Test - 10 - Question 17
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Scurvy is caused due to the deficiency of vitamin
TS EAMCET Mock Test - 10 - Question 18
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When 20 g of naphthoic acid (C11H8O2) is dissolved in 50 g50 g of benzene (kf = 1.72 K kg mol−1), a freezing point depression of 2 K is observed. Calculate the Van't Hoff factor (i) in this case:
Detailed Solution for TS EAMCET Mock Test - 10 - Question 18

Actual molecular weight of naphthoic acid (C11H8O2) = 172
Molecular mass (calculated) 


= 0.5

TS EAMCET Mock Test - 10 - Question 19
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The colour of p-aminoazobenzene is
TS EAMCET Mock Test - 10 - Question 20
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Enzymes, in the living systems
TS EAMCET Mock Test - 10 - Question 21
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An aldehyde on oxidation gives
TS EAMCET Mock Test - 10 - Question 22
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The radius of the sphere which passes thro' the points (0,0,0),(1,0,0),(0,1,0) and (0,0,1) is
TS EAMCET Mock Test - 10 - Question 23
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The triangle formed by the tangent to the curve f(x) = x2 + bx - b at the point (1, 1) and the co-ordinate axis, lies in the first quadrant. If its area is 2, then the value of b is
Detailed Solution for TS EAMCET Mock Test - 10 - Question 23

The slope of the tangent at the point (1, 1) is y' = 2 + b.
Hence, the equation of the tangent is:
y = (2 + b)x + c
As the line satisfies the point (1, 1), the value of c = -(1 + b)
Equation of tangent is y = (2 + b)x - (1 + b)
As the triangle formed will be a right-angled triangle made up of intercepts of the tangent,
hence the intercepts are
y = -(1 + b)
x = 
Area of triangle = ½ x x-intercept x y-intercept = 2
=> ½  -(1 + b)   = 2
=> b = -3

TS EAMCET Mock Test - 10 - Question 24
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All the roots of the equation zn cos θo + zn − 1 cos θ1 + … + cos θn = 2 , where θo , θ1 , θ2 , … , θn ∈ R will satisfy
TS EAMCET Mock Test - 10 - Question 25
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The value of 
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 (differentiating numerator and denominator n times for L'Hospital's rule)

TS EAMCET Mock Test - 10 - Question 26
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If x = 1998!, then value of the expression
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TS EAMCET Mock Test - 10 - Question 27
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If A,B,C are matrices of order nxn then (ABC)'=
TS EAMCET Mock Test - 10 - Question 28
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∫x cos x dx =
TS EAMCET Mock Test - 10 - Question 29
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The marks obtained by a student of Class X in first and second unit test are 35 and 21, respectively. Find the minimum marks he should get in the annual examination to have an average of at least 30 marks.
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Let x be the marks obtained by student in the annual examination. Then

TS EAMCET Mock Test - 10 - Question 30
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The real value of θ for which the expression  is a real number is
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=  + i
 is purely real.
  = 0
 cos = 0
  =  , n  Z

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