Triple point of water is_____________________?

Related Mcqs:

1. Slope of velocity time graph is_____________________?

   A. acceleration
   B. distance
   C. force
   D. momentum

2. When a force is parallel to the direction of motion of the body, then work done on the body is_____________________?

   A. zero
   B. minimum
   C. infinity
   D. maximum

3. n instrument which can measure potential without drawing any current is_____________________?

   AA. voltmeter
   B. galvanometer
   C. cathode ray oscilloscope (CRO)
   D. ammeter

4. If the plane of the rectangular coil is parallel to the magnetic field (i.e radial magnetic field) the torque on the coil is_____________________?

   A. τ = NIAB cosφ
   B. τ = NIAB sinφ
   C. τ = NIAB tanφ
   D. τ = NIAB

5. The force beared by a wall on which water strikes normally at a speed of 10m/sec and at a discharge of 0.0001m3/sec is__________________?

   A. 1 N
   B. 10 N
   C. 100 N
   D. none

6. 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

7. 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

8. Rainbow is seen after rain because of hanging molecules of water which act as __________?

   A. Lens
   B. Prism
   C. Mirror
   D. Slabs

   Submitted by: Abid Hussain

9. When two charges are placed in water then the Coulomb force between them reduces to _____________?

   A. 1/2 times
   B. 1/3 times
   C. 1/78 times
   D. 1/58 times

   Submitted by: M.Irfan

10. Standard condition STP refer to a gas at ___________________?

    A. 76cm 0°C
    B. 760mm 273K
    C. 1atm 273K
    D. all of the above