To observed diffraction, the size of the obstacle
To observed diffraction, the size of the obstacle
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(a) should be much larger than the wavelength (b) has no relation to wavelength (c) should be of the order of wavelength (d) should […]
Physics
The condition for obtaining secondary maxima in the diffraction pattern
The condition for obtaining secondary maxima in the diffraction pattern due to single slit is
Options
(a) a sin θ=nλ/2 (b) a sin θ=(2n-1)λ/2 (c) a sin θ=nλ (d) a sin θ=(2n-1)λ
Correct […]
Find the right condition(s) for Fraunhofer diffraction due to a single slit.
Find the right condition(s) for Fraunhofer diffraction due to a single slit.
Options
(a) Source is at infinite distance and the incident beam has converged at the slit (b) Source is near to […]
Light of wavelength λ is incident on slit of width d. The resulting diffraction
Light of wavelength λ is incident on slit of width d. The resulting diffraction pattern is observed on a screen placed at distance D. The linear width of central maximum is equal to width of […]
In a diffraction pattern due to a singleslit of width a, the first minimum is observed
In a diffraction pattern due to a singleslit of width a, the first minimum is observed at an angle 30⁰ when light of wavelength 5000Å is incident on the slit. The first secondary maximum is […]
The intensity at the maximum in a Young’s double slit experiment is I₀.
The intensity at the maximum in a Young’s double slit experiment is I₀. Distance between two slits is d=5λ, where λ is the wavelength of light used in the experiment. What will be the intensity […]
If a solid ball of metal has a concentric spherical cavity with in it if the ball
If a solid ball of metal has a concentric spherical cavity with in it if the ball is heated the volume of the cavity will
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(a) increase (b) decrease (c) remains unchanged […]
In the adiabatic compression, the decrease in volume associated with
In the adiabatic compression, the decrease in volume associated with
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(a) increase in temperature and decrease in pressure (b) decrease in temperature and increase in pressure (c) decrease in temperaturee and decrease […]
In which of the processes, does the internal energy of the system remain constant?
In which of the processes, does the internal energy of the system remain constant?
Options
(a) Isobaric (b) Isothermal (c) Adiabatic (d) Isochoric
Correct Answer:
Isothermal
Explanation:
No explanation available. Be the first […]
A Carnot engine, having an efficiency of η=1/10 as heat engine, is used
A Carnot engine, having an efficiency of η=1/10 as heat engine, is used as a refrigerator. If the work done on the system is 10J, the amount of energy absorbed from the reservoir at lower […]