Light propagates rectilinearly because of its
Light propagates rectilinearly because of its Options (a) Frequency (b) Wavelength (c) Velocity (d) Wave nature Correct Answer: Wavelength Explanation:…
7 years ago
Wave Optics
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
What is the time taken by moon light to reach earth?
What is the time taken by moon light to reach earth? Options (a) 8 sec (b) 10 sec (c) 9…
7 years ago
Time taken by light to cross a glass slab of thickness 4 mm and refractive index 3 is
Time taken by light to cross a glass slab of thickness 4 mm and refractive index 3 is Options (a)…
7 years ago
An interference pattern was made by using red light. If the red light
An interference pattern was made by using red light. If the red light is replaced by blue light, the fringes…
7 years ago
Laser beams are used to measure long distance because
Laser beams are used to measure long distance because Options (a) they are monochromatic (b) they are highly polarised (c)…
7 years ago
The dual nature of light is exhibited by
The dual nature of light is exhibited by Options (a) Photoelectric effect (b) Refraction and interference (c) Diffraction and reflection…
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
Newton postulated his corpuscular theory on the basis of
Newton postulated his corpuscular theory on the basis of Options (a) Newton's Rings (b) Colours of thin films (c) Rectilinear…
7 years ago