Pair production can take place only with_________________?

Related Mcqs:

1. Pair production takes place in the vicinity of a heavy nucleus so that_____________?

   A. Net energy is conserved
   B. Net charge is conserved
   C. Net momentum is conserved
   D. All of the above

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

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

3. Pair production cannot take place in a vacuum as ________________?

   A. Mass is not conserved
   B. Energy is not conserved
   C. Momentum is not conserved
   D. The chargee is not conserved

4. Production of heat due to an electric current flowing through a conductor is given by _________________?

   A. Joule effect
   B. Joule Thomsons effect
   C. Comptons effect
   D. Feed back effect

5. In laser production the state in which more atoms are in the upper state than in the lower one is called_____________?

   A. Metal stable state
   B. Normal state
   C. Inverted population
   D. All the above

6. Which of the following pair has same direction always ?

   A. force, displacement
   B. force, velocity
   C. force, acceleration
   D. force, momentum

7. The unit of force is _________ and its symbol is ______________ Which is the correct pair ?

   A. Newton, n
   B. Newton, N
   C. newton, n
   D. newton, N

8. Electrons present in p-type material due to thermal pair generation are_____________?

   A. majority carriers
   B. minority carriers
   C. dual carriers
   D. blockers

9. Which of the following pair of forces can produce a resultant of 8N?

   A. 2N & 5N
   B. 20N & 2N
   C. 3N & 6N
   D. 4N & 1N

   Submitted by: Zahid Jagirani

10. Nuclei having the same mass number but different atomic number are____________?

    A. Isotopes
    B. Isobars
    C. Isotones
    D. Isomers