Question # 1

A positron is an anti particle of.

Choose an answer

Proton

Electron

Neutron

Photon

Which one of the following paved the way for modern physics

Choose an answer

Newtonian mechanics

Theory of relativity

Quantum theory

All of above

Earth orbital speed is.

Choose an answer

10 km/s

20 km/s

30 km/s

40 km/s

Albert Einstein got noble prize in:

Choose an answer

1926

1921

1918

1931

Wave nature of particle was given by:

Choose an answer

Clemensen

Louis de Broglie

Laster H. Germer

Clinton S. Davisson

The emission of electrons from metal surface when exposed to light is called:

Choose an answer

Compton effect

Pair production

Photoelectric effect

None of above

The converses of annihilation of matter is:

Choose an answer

Photoelectric effect

Relativistic effect

Pair production

Compton effect

The Compton effect is associated with

Choose an answer

X-rays

y-rays

Positive rays

ß-rays

The special theory of relativity based on.

Choose an answer

One postulate

Two postulates

Three postulates

Four postulates

Photodiode is used for wave nature of.

Choose an answer

Light

Thermal radiation

Radi waves

Sound waves

Compton effect proves.

Choose an answer

Wave nature of radiation

Wave nature of particle

Dual nature of particle

Particle nature of radiations

If the energy of photon is 10 eV and work function is 5 eV, then the a value of stopping potential will be

Choose an answer

50 V

2 V

5 V

15 V

Platinum wire becomes yellow at a temperature of.

Choose an answer

900^oC

1300^oC

1600^oC

500^oC

When platinum is it becomes orange at.

Choose an answer

500^oC

900^oC

1100^oC

1300^oC

Potassium Cathodes in photocell emit electrons for a light.

Choose an answer

Visible

Infra red

Ultra violet

X rays

The uncertainty principle was given by

Choose an answer

De-Broglie

Heisenberg

Einstein

Max Planck

Using relativistic effects the location of an air craft after an hour fight can be predicated about

Choose an answer

20 m

50 m

760 m

780 m

When platinum is heated is become dull red at:

Choose an answer

900°C

500°C

800°C

1100°C

More Classes

Other Links

Physics Fsc Part 2 Chapter 8 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