Class 11 Physics 2021 Local MCQs Test

ByMuhammad Zaman July 4, 2022October 28, 2022

FBISE Federal Board Class 11 Physics 2021 Local MCQs Test. Do as much practice as you can so that you get good marks in the final exams.

Class 11 Physics MCQs Tests

Physics 2021 Local MCQs Test

/17

Class 11 Physics
Paper 2021 Local
Practice MCQs Test

1 / 17

The rate of change of linear momentum is called:

Torque

Angular momentum

Force

Energy

2 / 17

The principle of Michelson interferometer is based on the division of:

Speed of light

Frequency

Amplitude

Wave front

3 / 17

The value of escape velocity is:

[katex] 11.2\times{10}^3 ms^{-1} [/katex]

[katex] 11.2\times{10}^3 kms^{-1} [/katex]

[katex] 11.2\times{10}^3 kmhr^{-1} [/katex]

[katex] 11.2\times{10}^3 mhr^{-1} [/katex]

4 / 17

Which is the correct answer for vector R:

R = Q – P

R = P – Q

R = P + Q

R = Q + P

5 / 17

The angular speed in radius/hour for the daily rotation of our earth is:

π/12

π/6

4π

2π

6 / 17

The dimension of speed is:

[katex] [LT^{-2}] [/katex]

[katex] [MT^{-2}] [/katex]

[katex] [MT^{-1}] [/katex]

[katex] [LT^{-1}] [/katex]

7 / 17

The relation for range of a projectile is:

R=(vi/g²) sin²θ

R=(vi²/g) sin2θ

R= (vi/g²) sin2θ

R=(vi²/g) sin²θ

8 / 17

The theoretical value of speed of sound in air is:

[katex] 332 kms^{-1} [/katex]

[katex] 332 ms^{-1} [/katex]

[katex] 281 ms^{-1} [/katex]

[katex] 281 kms^{-1} [/katex]

9 / 17

Rate of change of angular momentum is called:

Energy

Force

Linear momentum

Torque

10 / 17

\( \frac {2ρgr^2}{9n} \) is relation for:

Drag force

Terminal velocity

Momentum

Stoke’s law

11 / 17

Cooking of food by microwave oven is an example of:

S.H.M

Damped oscillations

Resonance

Free oscillations

12 / 17

Which of the following instruments work on the principle of moments?

Physical balance

Measuring cylinder

Spring balance

Vernier calipers

13 / 17

The process during which there is no transfer of mass and heat energy across its boundary is called:

Un-isolated system

Isolated system

Open system

Closed system

14 / 17

A raindrop of radius ‘r’ falls in air with terminal speed v_t. What is the terminal speed of a raindrop of radius 2r?

vt/2

2vt

4vt

15 / 17

The solid angle subtended at the centre of a sphere by an area of its surface equal to the square of radius of the sphere is called:

Radian

Steradian

Right angle

Degree

16 / 17

The time period of S.H.M is given by:

[katex] \frac{\omega}{2{\pi}f} [/katex]

[katex] 2{\pi}f [/katex]

[katex] \frac{\omega}{2\pi} [/katex]

[katex] \frac{2\pi}{\omega} [/katex]

17 / 17

\( V(r) = – \frac{GM_e}{R_e} \) is relation for:

Relative velocity

Gravitational Potential

Work done

Momentum

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