NEW
Font size
WorksheetsFYBSc Physics PII U3
Total questions: 10
Worksheet time: 4mins
1. When radiation falls on a body, which of the following equation is true? *
a + r + t = 1
a – r – t = 1
a + r + t = 2
a – r – t = 2
Wien’s Black Body Cavity
Fary’s Black Body cavity
Planck’s Black Body
Ionization Chamber
3. Identify the law λm T= constant
Wein’s Displacement law
Rayleigh Jeans law
Planck’s law
Clausius law
Newtons’ rings
Laue’s Diffraction pattern
Compton Effect
Pair production
5. Dual nature of matter is explained by ________________
Stripping reaction
Pair Production
De Broglie hypothesis
Compton Effect
6. Bragg’s law of X-ray Diffraction is given by ________________
2nsinϴ = dλ
2d = sinϴ nλ
2dsinϴ = nλ
2dnsinϴ = λ
7. In Stefan’s Boltzmann’s law P = e σ A T4, quantity ‘e’ stands for __________
Electric charge
Emission
Emissivity
Emission Coefficient
8. For a perfectly black body, Choose the correct option
a = 0, r = 1, t = 0
a = 1, r = 0, t = 0
a = 0, r = 0, t = 1
a = 0, r = 0, t = 0
9. X rays are deflected by Electric and magnetic field?
True
False
10. Compton shift is independent of the nature of the target
True
False
