Question # 1

With increase of temperature, speed of sound.

Choose an answer

Remains constant

Becomes zero

Decreases

Increases

Damping is the process in which energy

Choose an answer

Increases

Remains constant

Dissipates

None of these

At constant temperature and pressure, if volume of given mass of a gas is doubled then density is.

Choose an answer

Doubled

1/4 original

1/2 of original

Unchanged

Efficiency of a heat engine working between 27 ^oC and 32 ^oC will be.

Choose an answer

50%

90%

40%

62%

For working of heat engine, there must be

Choose an answer

A source

A sink

Ether of these

Both of them

When two waves of same frequency travel in opposite direction, the phenomenon will be

Choose an answer

Diffraction

Stationary waves

Polarization

Interference

Choose an answer

Unit vector

+ve of a vector

Resultant vector

-ve of a vector

Total confined light is obtained by

Choose an answer

Total internal reflection

Refraction of light

Diffraction

Polarization

Which of the following is a set of supplementary units

Choose an answer

Radian and kilogram

Radian and Steradian

Steradian and time

Mole and radian

The Bragg's equation is given by

Choose an answer

Bio mass is converted into fuel by

Choose an answer

Evaporation

Fermentation

Reflection

Scattering

When the body moves with constant acceleration the velocity time graph is

Choose an answer

Parabola

Hyperbola

Straight line

Curve

In an object is placed in between focus point and Opticla center of a convex lens, the image formed by lens is.

Choose an answer

Real inverted

Virtual diminshed

Virtual inverted

Virtual erected

Engineering physics, Astrophysics,Bio Physics and Geophysics are

Choose an answer

Branches of Physics

Branches of Chemistry

Applied Physics

None of these

The ratio of the velocities of wate in a pipe lying horizontally at two ends is 1 : 4 The ratio of diameters of pipe at these two ends is.

Choose an answer

1 : 2

2 : 1

1 : 4

4 : 1

A force of 10 N acts on a body of mass 5 kg in one second. The change in its momentum will be.

Choose an answer

10 kgms-1

50 kg ms-1

2 kg ms-1

20 kg ms-1

Angular velocity determines, How fast or, How slow a body is

Choose an answer

Accelerating

Vibrating

Rotating

Oscillating

Food rich in proteins is:

Choose an answer

potato

grapes

vegetables

bread

More Classes

Other Links

1st Year Fsc Physics Online Test MCQs With Answers

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer