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Recent Responses by jupiter0 :
the deflection of the galvanometer towards the right would increase.
Acc. to Snell's law,
-The incident ray, refracted ray and the normal at the point of incidence all lie in the same plane.
-The ratio of the sine of the angle of incidence to the sine of the angle of refraction is constant for the given pair of media.
the rose would appear black as the filter would reflect and absorb the red light
only yellow light is refracted.
1.5m would be having high frequency hence high pitch (shrill sound)
3m would be having low frequency hence low pitch (grave or flat sound)
testing the purity of gems, eggs, ghee.
in producing vitamin D in food of plants and animals.
friction at the axle or in the pulley bearings.
weight of the string or movable pulleys.
voltage drop= 9V