Compton’s effects was presented by: ________?

Related Mcqs:

1. Pair production cannot take place in a vacuum as ________ is not conserved ?

   A. Energy
   B. Charge
   C. Mass
   D. MomentumB.

2. The least count of Vernier caliper is ________ containing 10 Vernier scale divisions?

   A. 0.001mm
   B. 0.01mm
   C. 0.1mm
   D. 0.0001mm

   Submitted by: AFNAN FAHIM KHATTAK

3. Medium which sends signal from source to destination is known as ________ ?

   A. Transmitter
   B. Transmission channel
   C. Receiver
   D. Hardware

   Submitted by: Rashid Mehmood

4. A force On particle is conservative if:________?

   A. It’s works equals the change in the kinetic energy of the particle.
   B. It’s obeys Newton’s second law
   C. It’s obeys Newton’s third law
   D. It work depends on the end points of every motion, not on the path between.

   Submitted by: Shuaib Uddin

5. Matter itself has energy called ________?

   A. Potential energy
   B. Rest energy 
   C. Chemical energy
   D. Nuclear energy

   Submitted by: Shoaib Ali Jatoi

6. As a result of annihilation of electron and positron, number of γ–ray (Gama ray) photons are: ________?

   A. Two 
   B. Three
   C. Four
   D. One

   Submitted by: Rizwan Ayub Saadi

7. In monochromatic red light a blue book will probably appear to be_________________?

   A. black
   B. purple
   C. green
   D. no scientific reasoning available

8. The consumption of energy by a 60 watt bulb in 2 sec is_________________?

   A. 120 J
   B. 60 J
   C. 30 J
   D. 0.02 J

9. Which one of the following physical quantities does not have the dimensions of force per unit area ?

   A. Stress
   B. Strain
   C. Youngs modulus
   D. Pressure

10. A person wears spectates with concave lenses. It means that normally (when not using glasses), the image of distant objects is focused in his eyes:

    A. behind the retina
    B. in front of the retina
    C. on the retina
    D. on the blind spot

    Submitted by: Abid Hussain