During negative β-decay
During negative β-decay Options (a) Neutron converts into proton (b) Proton converts into neutron (c) Neutron proton ratio increases (d)…
7 years ago
RA2001
If light emitted from sodium bulb is passed through sodium vapour,
If light emitted from sodium bulb is passed through sodium vapour, then we can get from emergent light Options (a)…
7 years ago
180⁰ phase difference is obtained when light ray is reflected from
180⁰ phase difference is obtained when light ray is reflected from Options (a) Air to glass (b) Glass to air…
7 years ago
Coherent sources are those sources for which
Coherent sources are those sources for which Options (a) Phase difference remains constant (b) Frequency remains constant (c) Both phase…
7 years ago
In Young’s experiment, the ratio of maximum to minimum intensities of the fringe
In Young's experiment, the ratio of maximum to minimum intensities of the fringe system is 4:1. The amplitudes of the…
7 years ago
Wave nature of light is verified by
Wave nature of light is verified by Options (a) Interference (b) Photoelectric effect (c) Reflection (d) Refraction Correct Answer: InterferenceExplanation:No…
7 years ago
Volume of gas becomes four times if temperature becomes
Volume of gas becomes four times if temperature becomes Options (a) Four times at constant pressure (b) One fourth at…
7 years ago
Depletion layer contains
Depletion layer contains Options (a) Only immobile negative and positive ions (b) Only free charge carriers (c) Both free carriers…
7 years ago
If threshold wevelength for sodium is 6800 Å, the work function will be
If threshold wevelength for sodium is 6800 Å, the work function will be Options (a) 1.8 eV (b) 2.5 eV…
7 years ago
Which of the following is true for number of spectral lines in going from Lyman series
Which of the following is true for number of spectral lines in going from Lyman series to Pfund series? Options…
7 years ago