In Young’s double slit experiment, the ratio of maximum and minimum intensities
In Young's double slit experiment, the ratio of maximum and minimum intensities in the fringe system is 9:1. The ratio…
8 years ago
Physics
A plane wave of wavelength 6250Å is incident normally on a slit of width 2×10⁻² cm.
A plane wave of wavelength 6250Å is incident normally on a slit of width 2x10⁻² cm. The width of the…
8 years ago
During an adiabatic process, the cube of the pressure is found to be inversely
During an adiabatic process, the cube of the pressure is found to be inversely proportional to the fourth power of…
8 years ago
A carnot engine working between 300 K and 600 K has a work output of 800J per cycle.
A carnot engine working between 300 K and 600 K has a work output of 800J per cycle. The amount…
8 years ago
The sun light reaches us as white and not as its components because
The sun light reaches us as white and not as its components because Options (a) air medium is dispersive (b)…
8 years ago
Aperture of human eye is 0.2 cm. The minimum magnifying power of a visual
Aperture of human eye is 0.2 cm. The minimum magnifying power of a visual telescope, whose objective has diameter 100…
8 years ago
If critical angle for a material to air passage is 30°, the refractive index
If critical angle for a material to air passage is 30°, the refractive index of the material will be Options…
8 years ago
A radioactive substance decays to 1/16th of its initial activity in 40 days.
A radioactive substance decays to 1/16th of its initial activity in 40 days. The half-life of the radioactive substance expressed…
8 years ago
If a nucleus ᴢXᴬ emits 9α and 5β-particles, then the ratio of total protons and neutrons
If a nucleus ᴢXᴬ emits 9α and 5β-particles, then the ratio of total protons and neutrons in the final nucleus…
8 years ago
The respective speeds of the molecules are 1,2,3,4 and 5 km/s.
The respective speeds of the molecules are 1,2,3,4 and 5 km/s. The ratio of their r.m.s. velocity and the average…
8 years ago