Question # 1

Second pendulum has a time period

Choose an answer

1 sec

3 sec

2 sec

4 sec

Light year is the unit of

Choose an answer

Distance

Time

Light

Velocity

The speed of sound in air would become double than ots speed at 10^oC at a temperature of.

Choose an answer

313 ^oC

586 ^oC

859^oC

899 ^oC

If the wave motion is 0.01 sec and wave speed is 100 ms-1 then frequency of wave is.

Choose an answer

0.5 Hz

1 Hz

10 Hz

100 Hz

The distinguish between transverse and longitudinal wave_______ is used.

Choose an answer

Refraction

Interference

Diffraction

polarization

The efficiency of any heat engine can never be

Choose an answer

+ve

100%

-ve

None of these

Velocity of sound is independent of

Choose an answer

Temperature

Density

Pressure

Medium

A Carnot engine has an efficiency of 50% when its sink temperature is at 27 ^oC. The temperature of source.

Choose an answer

273^oC

300 ^oC

327 ^oC

373 ^oC

The resultant of two forces 3N and 4 N acting at right angle to each other is.

Choose an answer

5 N

6 N

1 N

7 N

The error in speed of sound calculated by Newton at STP is about.

Choose an answer

0 %

14 %

15 %

16 %

The value of a time period of allow flying satellite is

Choose an answer

1 year

84 minutes

28 hours

1 day

Diffraction is a special type of

Choose an answer

Reflection

Polarization

Interference

Refraction

A spring has a spring constant k. If it is cut in two equal parts, the spring constant of each part will be

Choose an answer

K

2 K

K/2

4K

When a vector is multiplied by a (-)ve number its direction

Choose an answer

Remains constant

Reversed

Change by 90°

None of these

Height of geo stationary orbit of the satellite above the earth is.

Choose an answer

300 km

250 km

400 km

None of these

For a diatomic gas Cv= 5R/2 then gamma for this gas is.

Choose an answer

5/7

4/35

7/5

35/4

The fringe spacing in a double slit experiment can be increased by decreasing.

Choose an answer

Wavelength of light

Width of slits

Slit separation

Distance between the slits and the screen

In stationary waves, the particle velocity at nodes is

Choose an answer

Minimum

Maximum

Zero

Constant

More Classes

Other Links

Physics ICS Part 1 Full Book Mcq's 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