Physics If the phase difference between two points is 120° for a wave with velocity of 360 m/s and frequency 500 Hz, then path difference between the two points is 6 cm 1 cm 24 cm 12 cm 6 cm 1 cm 24 cm 12 cm ANSWER DOWNLOAD EXAMIANS APP
Physics The density of the liquid when heated May increase of decrease depending on pressure Does not change Decreases Increases May increase of decrease depending on pressure Does not change Decreases Increases ANSWER DOWNLOAD EXAMIANS APP
Physics A thin oil film on a water surface appears coloured because of Reflection Polarization Interference Diffraction Reflection Polarization Interference Diffraction ANSWER DOWNLOAD EXAMIANS APP
Physics Air pressure is usually highest when the air is Warm and moist Cool and dry Cool and moist Warm and dry Warm and moist Cool and dry Cool and moist Warm and dry ANSWER DOWNLOAD EXAMIANS APP
Physics A boy is swinging a ball attached to a string in a horizontal circle. If the string snaps The ball will travel towards the center of the circle and fall down It will fall down at the same place where the string breaks It will continue to travel along a tangent to the circle at the point the ball was at the time of snapping and finally fall down None of these The ball will travel towards the center of the circle and fall down It will fall down at the same place where the string breaks It will continue to travel along a tangent to the circle at the point the ball was at the time of snapping and finally fall down None of these ANSWER DOWNLOAD EXAMIANS APP
Physics Which one of the following determines the sharpness of image in a camera ? The focal length of the lens The exposure time Size of the camera The aperture The focal length of the lens The exposure time Size of the camera The aperture ANSWER DOWNLOAD EXAMIANS APP
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