6.6 X 10-28
1.99 X 10-27
6.60 x 10-26
1.99 x 10-25
Correct answer is D
E = HF = (hc)/λ
Eλ = hc
∴ X = hc ==6.63 x 10-34 x 108
= 1.989 x 10-25
=1.99 x 10-25
In what range of temperature is the expansion of water anomalous?...
the property that is propagated in a traveling wave is ...
The production of pure spectrum could easily be achieved using a? ...
The nucleon and proton numbers of a neutral atom of an element are 238 and 92 respectively. Det...
A wire of length 100 cm has a resistance of 10Ω. If its cross-sectional area is 0.005cm2, d...
Which of the following actions will not increase the sensitivity of a moving coil galvanometer? ...
Which of the following is required to convert a milliammeter to an ammeter? ...