Value of ‘g’ at the surface of moon is _____________?

Related Mcqs:

1. If moon radius is 1600 km and g on its surface is 1.6 ms-2 then the escape velocity on the moon is ___________________?

   A. 1600 ms-1
   B. 50.6 ms-1
   C. 71.6 ms-1
   D. 2263ms-1

2. Gravitation force of moon is_________?

   A. 7.2 m/s²
   B. 1.62 m/s²
   C. 9.8 m/s²
   D. 3.75 m/s²

   Submitted by: Adeeba Bashir

3. What is the acceleration of free fall on the moon of that on the Earth ?

   A. 1/6th
   B. 1/4th
   C. 1/8th
   D. None of these

   Submitted by: Muzammil Abbas

4. Waves produced at the surface of water by a pencil executing vibrating motion if held vertically at a frequency of 50Hz are__________________?

   A. Longitudinal
   B. Transverse
   C. Periodic
   D. both A and C

5. The escape velocity form the earth surface in km S-1 is____________________?

   A. 4.2 km S-1
   B. 7.5 km S-1
   C. 9.5 km S-1
   D. 1.1 km S-1

6. Stopping potential for a metal surface in case of photoelectric emission depends on_____________?

   A. the threshold frequency for the metal surface
   B. the intensity of incident light
   C. the frequency of incident light and work function of the metal surface
   D. all of the above

7. In a photoelectric effect monochromatic light is incident on a metal surface. If the incident light of twice the intensity but of same wavelength the kinetic energy of the emitted electron_______________?

   A. Becomes double
   B. Remains same
   C. Becomes half
   D. First increases then decrease because of the curvilinear graph

8. If n number of the photon is striking on a metal surface then total momentum exerted is_______________?

   A. p
   B. n
   C. 0
   D. None

9. A cube of side 5 cm has a charge of 6 C. The surface density of charge is_________?

   A. 100 C m^–2
   B. 200 C m^–2
   C. 300 C m^–2
   D. 400 C m^–2

   Submitted by: Tauseef Ali

10. Why the needle of iron swims on water surface when it is kept gently ?

    A. It will remain under the water, when it will displace more water than its weight
    B. the density of needle is less than that of water
    C. due to surface tension
    D. due to its shape

    Submitted by: Abid Hussain