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Bihar STET Paper 2 Physics Mock Test - 2 - Bihar PGT/TGT/PRT MCQ


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30 Questions MCQ Test - Bihar STET Paper 2 Physics Mock Test - 2

Bihar STET Paper 2 Physics Mock Test - 2 for Bihar PGT/TGT/PRT 2025 is part of Bihar PGT/TGT/PRT preparation. The Bihar STET Paper 2 Physics Mock Test - 2 questions and answers have been prepared according to the Bihar PGT/TGT/PRT exam syllabus.The Bihar STET Paper 2 Physics Mock Test - 2 MCQs are made for Bihar PGT/TGT/PRT 2025 Exam. Find important definitions, questions, notes, meanings, examples, exercises, MCQs and online tests for Bihar STET Paper 2 Physics Mock Test - 2 below.
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Bihar STET Paper 2 Physics Mock Test - 2 - Question 1

Mary bought a tank whose dimensions are 5.6cm, 8.2cm and 12.8 cm. The volume of water (in cm³) that can be stored in tank (correct up to four significant figures) is:

Detailed Solution for Bihar STET Paper 2 Physics Mock Test - 2 - Question 1

Volume of water = Volume of the tank = Length × breadth × height = 5.6 × 8.2 × 12.8 = 587.776

Volume, correct up to 4 significant figure = 587.8

Bihar STET Paper 2 Physics Mock Test - 2 - Question 2

For a series LCR circuit the input impedance at resonance

Detailed Solution for Bihar STET Paper 2 Physics Mock Test - 2 - Question 2

Resonance occurs when XL = XC and the imaginary part of the transfer function is zero. At resonance the impedance of the circuit is equal to the resistance value as Z = R.

Bihar STET Paper 2 Physics Mock Test - 2 - Question 3

The figure shows a dish kept at an orientation with a marble placed on it. If the marble in figure is displaced slightly, it would rattle about for a while and come to rest in its original place. This is an example of :
       

Detailed Solution for Bihar STET Paper 2 Physics Mock Test - 2 - Question 3

If a dish is kept at an orientation with a marble placed on it and if the marble in figure is displaced slightly, it would rattle about for a while and come to rest in its original place.  This is the example of Stable Equilibrium.
When a body tries to regain its equilibrium position after being slightly displaced and released, it is said to be in stable equilibrium.

Bihar STET Paper 2 Physics Mock Test - 2 - Question 4

Phasor diagrams show

Detailed Solution for Bihar STET Paper 2 Physics Mock Test - 2 - Question 4

Explanation:By convention phasor diagrams are made to show the rotation of phasor in counterclockwise direction with constant speed

Bihar STET Paper 2 Physics Mock Test - 2 - Question 5

The gravitational force on a body of mass m at a distance r from the centre of the Earth for r < R, where R is the radius of Earth, is proportional to:

Detailed Solution for Bihar STET Paper 2 Physics Mock Test - 2 - Question 5

We know, the gravitational force 
,
This is valid when R is the centre to centre distance between the two masses M and m.
At a distance r < R, the mass of Earth cannot be taken as M.

The new mass (M'):
The mass of earth will be contained for a radius r. Let us assume that the mean density of the earth is ρ and that earth is a sphere with a radius equal to the distance r. We know, mass = density × volume

Therefore the gravitational force, F = 

Hence the gravitational force, F ∝ r

Bihar STET Paper 2 Physics Mock Test - 2 - Question 6

If the coefficient of friction of a surface is μ = √3, then the angle of inclination of a plane to make a block on it to just start sliding is

Detailed Solution for Bihar STET Paper 2 Physics Mock Test - 2 - Question 6

Bihar STET Paper 2 Physics Mock Test - 2 - Question 7

Given the instantaneous value of current from a.c. source is I = 8 sin 623t. Find the r.m.s value of current​

Detailed Solution for Bihar STET Paper 2 Physics Mock Test - 2 - Question 7

Compare the given eqn. with the standard from I=I0sinωt
I0=8, Irms=I0/√2=8/√2=5.656A

Bihar STET Paper 2 Physics Mock Test - 2 - Question 8

According to Atomic Hypothesis:

Detailed Solution for Bihar STET Paper 2 Physics Mock Test - 2 - Question 8

Explanation:atomic hypothesis that all things are made of atoms—little particles that move around in perpetual motion, attracting each other when they are a little distance apart, but repelling upon being squeezed into one another.

Bihar STET Paper 2 Physics Mock Test - 2 - Question 9

The car A is used to pull a load B with the pulley arrangement shown. If A has a forward velocity v determine an expression for the upward velocity vB of the load in terms of vA and θ.θ is angle between  string and horizontal   

Detailed Solution for Bihar STET Paper 2 Physics Mock Test - 2 - Question 9

Let θ angle between string and horizontal, T is tension in string

Bihar STET Paper 2 Physics Mock Test - 2 - Question 10

 A hemispherical portion of radius R is removed from the bottom of a cylinder of radius R. The volume of the remaining cylinder is V and its mass is M. It is suspended by a string in a liquid of density r where it stays vertical. The upper surface of the cylinder is at a depth h below the liquid surface. The force on the bottom of the cylinder by the liquid is   

[JEE 2001 (Scr.)]

                      

Detailed Solution for Bihar STET Paper 2 Physics Mock Test - 2 - Question 10

Bihar STET Paper 2 Physics Mock Test - 2 - Question 11

L/R has dimensions same as that of​

Detailed Solution for Bihar STET Paper 2 Physics Mock Test - 2 - Question 11

Self-inductance is given by: v(t)=L (di/dt)
From this we have: L=v (dt/di)
 
v/di has the dimensions of R
 
So, L=Rdt hence L/R=dt, same units as that of time.
 

Bihar STET Paper 2 Physics Mock Test - 2 - Question 12

The moment of inertia of a uniform semicircular wire of mass M and radius r about a line perpendicular to the plane of the wire through the centre is

Detailed Solution for Bihar STET Paper 2 Physics Mock Test - 2 - Question 12

The formula for the MOI of a uniform semicircular ring about a perpendicular line is ½ Mr2

Bihar STET Paper 2 Physics Mock Test - 2 - Question 13

At what altitude will the acceleration due to gravity be 25% of that at the earth’s surface (given radius of earth is R)?

Detailed Solution for Bihar STET Paper 2 Physics Mock Test - 2 - Question 13

Force on the body placed on Earth's surface is
F=GMm/R2​
But, F=mg hence,
mg=GMm/R2
where, variables have their usual meanings.
gR2=GM
Now, force on the body at geo-potential  height say h (altitude) where the acceleration due to gravity is 25% of that at the earth's surface i.e.
25g/100​=g/4​
Hence, we can write
g/4​=GM/(R+h)2
 
g/4​= gR2​ /(R+h)2
 
(R+h)2=4R2
Taking roots for both sides we get
R+h=2R
h=R
 

Bihar STET Paper 2 Physics Mock Test - 2 - Question 14

Two strips of metal are riveted together at their ends by four rivets, each of diameter 6.0 mm. What is the maximum tension that can be exerted by the riveted strip if the shearing stress on the rivet is not to exceed 6.9 × 107Pa? Assume that each rivet is to carry one quarter of the load.

Detailed Solution for Bihar STET Paper 2 Physics Mock Test - 2 - Question 14

Bihar STET Paper 2 Physics Mock Test - 2 - Question 15

Both earth and moon are subject to the gravitational force of the sun. As observed from the sun, the orbit of the moon

Detailed Solution for Bihar STET Paper 2 Physics Mock Test - 2 - Question 15

Concept:

Newton's law of gravitation: The force of attraction between any objects in the universe is directly proportional to the product of their masses and inversely proportional to the square of the distance between them.

  • The force acts along the line joining the two bodies.
  • The gravitational force is a central force that is It acts along the line joining the centers of two bodies.
  • It is a conservative force. This means that the work done by the gravitational force in displacing a body from one point to another is only dependent on the initial and final positions of the body and is independent of the path followed.


 

  • The moon revolves around the earth in a circular orbit (not perfectly circular). Sun exerts a gravitational force on both, the earth and moon. The major force acting on the moon is due to the gravitational force of attraction of the sun and earth and the moon is not always on the line joining the sun and earth. 
  • Two forces acting on the moon have different lines of action or the forces are not central, so it's motion will not be strictly elliptical.

Hence, option (b) is the correct answer.

Bihar STET Paper 2 Physics Mock Test - 2 - Question 16

A thin uniform rod of length l and mass m is swinging freely about a horizontal axis passing through its end. Its maximum angular speed is w. Its centre of mass rises to maximum height of

[AIEEE 2009]

Detailed Solution for Bihar STET Paper 2 Physics Mock Test - 2 - Question 16

The uniform rod of length l and mass m is swinging about an axis passing through the end. When the centre of mass is raised through h, the increase in potential energy is mgh. This is equal to the kinetic energy

Bihar STET Paper 2 Physics Mock Test - 2 - Question 17

The property by virtue of which the free surface of a liquid at rest behaves like an elastic stretched membrane tending to contract so as to occupy minimum surface area is known as

Detailed Solution for Bihar STET Paper 2 Physics Mock Test - 2 - Question 17

The property by virtue of which the free surface of a liquid at rest behaves like an elastic stretched membrane tending to contract so as to occupy minimum surface area is known as surface tension. By the definition of surface tension.

Bihar STET Paper 2 Physics Mock Test - 2 - Question 18

Which of the following is the most important factor underlying the success of a new teacher?

Detailed Solution for Bihar STET Paper 2 Physics Mock Test - 2 - Question 18

The communication ability of a teacher helps her to establish a rapport with the students. A teacher who is a good communicator can understand the dilemma of students, and can effectively solve their problems.

Bihar STET Paper 2 Physics Mock Test - 2 - Question 19

How does NEP 2020 propose to address the flexibility in subject choices for students in higher education?

Detailed Solution for Bihar STET Paper 2 Physics Mock Test - 2 - Question 19

NEP 2020 suggests a flexible higher education system with multiple entry and exit points, allowing students to choose their courses based on their interests and career goals.

Bihar STET Paper 2 Physics Mock Test - 2 - Question 20

What is the purpose of the National Testing Agency (NTA) in the context of NEP 2020?

Detailed Solution for Bihar STET Paper 2 Physics Mock Test - 2 - Question 20

NTA is responsible for conducting standardized university entrance exams as per the recommendations of NEP 2020.

Bihar STET Paper 2 Physics Mock Test - 2 - Question 21

Howard Gardner's theory of multiple intelligences emphasizes:

Detailed Solution for Bihar STET Paper 2 Physics Mock Test - 2 - Question 21

Howard Gardner's theory of multiple intelligences emphasizes the unique abilities of each individual that removes the idea of valuing intelligence as a single general ability for all. According to him, the learners should not be restricted to one modality of learning. As per his theory, intelligence is a physiological ability of processing information, activated in a cultural setting to reach the specific solution of a problem.
Hence, the correct answer is, 'The unique abilities of each individual.'

Bihar STET Paper 2 Physics Mock Test - 2 - Question 22

The factor that helps a teacher to solve problems like backwardness, cheating, indiscipline, and improper environment is

Detailed Solution for Bihar STET Paper 2 Physics Mock Test - 2 - Question 22

Educational psychology is a must for solving problems like backwardness, cheating, indiscipline, and improper environment. It is the branch of psychology which is applied to the field of education and studies the behaviour of students in educational settings.

Bihar STET Paper 2 Physics Mock Test - 2 - Question 23
Which one of the following is least important in an inclusive classroom?
Detailed Solution for Bihar STET Paper 2 Physics Mock Test - 2 - Question 23

Inclusive education is an approach, seeks to address the learning needs of all children, youth, and adults with a specific focus on those who are vulnerable to marginalization and exclusion.

  • It implies all learners, young people - with or without disabilities being able to learn together through access to common pre-school provisions, schools, and community educational settings with an appropriate network of support services.

Key Points

  • An inclusive classroom promotes learning of all children, with special abilities, with various social backgrounds, and with diverse learning needs.
  • In the inclusive classroom, each student gets access to knowledge, skills, and information, which improve available choices to all children and we do not necessarily limit ourselves to the knowledge domain, but rather include the affective domain, and the attitudinal domain as well.
  • Every child gets the opportunity for quality and optimal learning and for enjoying learning together and actively participating in learning activities. The activities are more-cooperative and collaborative so that each child can participate effectively.
  • In an inclusive classroom, there will be less stress on competition, grades, and covering the course as the child will be given importance so that they can learn effectively.

Thus, it is concluded that more effort by teachers to "cover" courses is least important in an inclusive classroom.

Bihar STET Paper 2 Physics Mock Test - 2 - Question 24

Mrs. Sharma can impart learning with better skill and results because she possesses

Detailed Solution for Bihar STET Paper 2 Physics Mock Test - 2 - Question 24

Mrs. Sharma can impart learning with better skill and results because she possesses excellent communication skills. Communication skills involve speaking, writing, imagery, body language, and the organisation of ideas into understandable structures. So, learning can be imparted in a better way because of these communication skills. Ability to interact with students in a better way reflects interpersonal skills. Knowledge of pedagogy helps in teaching by understanding pupils better.

Bihar STET Paper 2 Physics Mock Test - 2 - Question 25

Which of the following belief of a teacher is detrimental to student’s learning?

Detailed Solution for Bihar STET Paper 2 Physics Mock Test - 2 - Question 25

"Making errors is a shameful act for the learners". This statement is detrimental to student's learning.

Teacher's beliefs impact their teaching behaviour, learner development, guide their decision making and interactions with their learners. Beliefs help teachers from their planning, curricular decisions and identify what should be taught in the classroom.

Teachers’ beliefs are related to some factors that interact with each other in the processes of teaching and learning. Teachers bring beliefs acquired from many years of learning experiences to a teacher education that impacts what and how they learn to teach. Teachers’ beliefs affect what they say and do in the classroom which forms their beliefs. Teachers’ beliefs affect teacher awareness, teaching attitudes, and teaching methods. Teachers’ beliefs impact their teaching behaviour, and learner development, and guide their decision-making and interactions with their learners. Beliefs help teachers form their planning and curricular decisions and identify what should be taught in the classroom. On the whole, it can be concluded that teachers’ beliefs will have a great effect on forming active teaching methods and will bring about a considerable amount of advance in learners’ language capabilities.

Bihar STET Paper 2 Physics Mock Test - 2 - Question 26

Which of the following organizations is set to launch its "One Nation, One Registration platform"?

Detailed Solution for Bihar STET Paper 2 Physics Mock Test - 2 - Question 26

The National Medical Commission (NMC) is all set to launch its “one nation, one registration platform” for doctors across India. The NMC will unveil a patch pilot of the National Medical Register (NMR) in the next six months, where doctors will be allotted a unique identification number.

Bihar STET Paper 2 Physics Mock Test - 2 - Question 27

Which of the following planet is referred to as 'Earth's twin'?

Detailed Solution for Bihar STET Paper 2 Physics Mock Test - 2 - Question 27

The planet Venus is also known as 'Earth's twin', the reason being that Venus and Earth are practically of the same size, with equivalent mass and have fundamentally the same arrangement of the same material. They are likewise neighbouring planets.

Bihar STET Paper 2 Physics Mock Test - 2 - Question 28

In 1992, Rio Declaration was conducted on the issue of environment and development. In this conference, an action plan was framed for sustainable development. What was the name of that action plan?

Detailed Solution for Bihar STET Paper 2 Physics Mock Test - 2 - Question 28

Agenda 21 is an extensive arrangement of action to be made universally, broadly and locally by associations of the United Nations System, governments and major groups in each territory in which human affects the Earth.

Bihar STET Paper 2 Physics Mock Test - 2 - Question 29

If 2 cubes have their volumes in the ratio 8 : 27, what is the ratio of the length of their edges?

Detailed Solution for Bihar STET Paper 2 Physics Mock Test - 2 - Question 29

(The volume of cube = side3)
The ratio of sides = ∛8 : ∛27 = 2 : 3
Hence, Option B is correct.

Bihar STET Paper 2 Physics Mock Test - 2 - Question 30

How many rotations of a wheel with a 21 m radius are required to cover a distance of 6.60 km?

Detailed Solution for Bihar STET Paper 2 Physics Mock Test - 2 - Question 30

Perimeter of the wheel

Hence, Option B is correct.

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