# Class 11 Physics 2021 2nd Annual MCQs Test

FBISE Federal Board Class 11 Physics 2021 2nd Annual 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 2nd Annual MCQs Test

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Class 11 Physics
Paper 2021 2nd Annual
Practice MCQs Test

1 / 17

Which of the following electromagnetic waves are used in MRI?

2 / 17

The density of mercury at S.T.P is:

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Find the dimensions of gravitational constant G from the formula F = G $$\frac{m_1m_2}{r^2}$$, where F is force, m1 and m2 are masses and d is the distance between centers of objects.

4 / 17

The angel ‘θ’ which $$\bar{A}=2.3\hat{i}+4.1\hat{j}$$ makes with the positive x-axis is:

5 / 17

The SI unit of molar specific heat is:

6 / 17

The value of escape velocity from the earth’s surface is:

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Range of a projectile on a horizontal plane is same for the following pair of angles:

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A cyclic process is represented by the equation:

9 / 17

A paratrooper falling down with constant velocity is in:

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The net force that acts on a 10N falling object, when it encounters 4N of air resistance is:

11 / 17

Torque and Moment of inertia are related according to the equation:

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

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Two monochromatic radiations X and Y are incident normally on a diffraction grating. The second-order intensity maximum for X coincides with the third-order intensity maximum for Y. What is the ratio $$\frac {wavelength of X}{wavelength of Y}$$?

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In a closed organ pipe which one is the second harmonic f2?

15 / 17

The angular form of centripetal acceleration is:

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Which one of the following is NOT a conservative force?

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In which of the following system is the entropy decreasing?