0.262m
0.455m
0.664m
0.819m
Correct answer is B
h = \(\frac{p}{eg} = \frac{9100}{2000 \times 10} = 0.455m\)
Which of the following radiations has it's frequency lower than that of infrared radiation? ...
When a pure semiconductor is heated, its resistance? ...
Which of the following is/are not affected by a magnetic field? I. Neutrons II. Cathode rays III....
A voltage supply of 12V r.m.s. and frequency 90Hz is connected to a 4 ω resistor. Calculate th...
The size of the hole of a pin hole camera is increased. The resultant image formed becomes ...