Physics The period of revolution of a certain planet in an orbit of radius R is T. Its period of revolution in an orbit of radius 4R will be: 8 T 2 T 4 T 1 T 8 T 2 T 4 T 1 T ANSWER DOWNLOAD EXAMIANS APP
Physics A boy sitting in an open car moving with the constant speed throws a ball straight up into the air. The ball falls Behind him Into his hand In front of him By his side Behind him Into his hand In front of him By his side ANSWER DOWNLOAD EXAMIANS APP
Physics Which one of the following instruments is used to study dispersion of light ? Telescope Microscope Photometer Spectrometer Telescope Microscope Photometer Spectrometer ANSWER DOWNLOAD EXAMIANS APP
Physics Atomic packing factor of body centred cubic structure (bcc) is 0.69 0.68 0.63 0.73 0.69 0.68 0.63 0.73 ANSWER DOWNLOAD EXAMIANS APP
Physics A light ray travelling from denser to rarer medium at an angle of incidence more than critical angle of concerned media pair suffers. Diffraction Reflection Refraction Total internal reflection Diffraction Reflection Refraction Total internal reflection ANSWER DOWNLOAD EXAMIANS APP
Physics Intensity of any wave is proportional to which of the following? Square of amplitude Cube of amplitude Square root of amplitude Amplitude Square of amplitude Cube of amplitude Square root of amplitude Amplitude ANSWER DOWNLOAD EXAMIANS APP
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