- (A) Photon theory of light
- (B) Dual nature of light
- (C) Wave nature of light
- (D) Uncertain nature of light
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- (A) Karl-Weins law
- (B) Rayleigh-Jeans law
- (C) Stephens law
- (D) Plancks
- (A) 107m/sec
- (B) Should be greater than the speed of light.
- (C) Be zero
- (D) Not be wave-like
- (A) Property of matter and radiation
- (B) Two-dimensional motion
- (C) Emission of the certain wavelength
- (D) Very high velocity
- (A) Electron microscope
- (B) Scanning electron microscope
- (C) Magnetic imaging
- (D) None of the above
- (A) increases with increase in age
- (B) decreases with increase in age
- (C) neither increases nor decreases
- (D) becomes infinite after 60 years
- (A) zero
- (B) focus
- (C) 2 f
- (D) f/2
- (A) fo + fe
- (B) fo – fe
- (C) fo / fe
- (D) fe / fo
- (A) real and inverted
- (B) real and erect
- (C) virtual and erect
- (D) virtual and inverted
- (A) same
- (B) different
- (C) zero
- (D) different with refractive index of core higher than cladding
