If the refractive index of water is 1.33, what is the cri...
If the refractive index of water is 1.33, what is the critical angle for a water-air boundary?
36.0 °
40.2 °
41.8 °
48.8 °
62.7 °
Correct answer is D
No explanation has been provided for this answer.
An object at rest is said to possess ...
A motor of a corn mill machine operates on electrical energy of 1.44×105J. If one-quar...
Oil rise up the wick in a lamp. The principle involves ...
If a load of 1 kg stretches a cord by 1.2cm, what is the force constant of the cord? {g=10ms-2}...
The acceleration due to gravity may be defined as the force ...
The electrical energy supplied by a Leclanche cell is obtained from the ...
An electron of mass 9.1 x 10−31 kg moves with a speed of 2.0 x 106 ms−1 roun...