Physics Ozone layer above the surface of Earth provides a shield against Infra-red rays X-rays Gamma rays Ultra-violet rays Infra-red rays X-rays Gamma rays Ultra-violet rays ANSWER DOWNLOAD EXAMIANS APP
Physics What type of simple machine is an axe? Both A & B The screw Wedge Lever Both A & B The screw Wedge Lever ANSWER DOWNLOAD EXAMIANS APP
Physics Lens is made up of which glass Cobalt glass Flint glass Ordinary glass Pyrex glass Cobalt glass Flint glass Ordinary glass Pyrex glass ANSWER DOWNLOAD EXAMIANS APP
Physics Who was the first scientist to discover Electrons? Isaac Newton Albert Einstein J.C. Bose J.J Thompson Isaac Newton Albert Einstein J.C. Bose J.J Thompson ANSWER DOWNLOAD EXAMIANS APP
Physics The motion of a body that repeats itself after a regular interval of time is An aperiodic motion A simple harmonic motion A periodic motion An oscillatory motion An aperiodic motion A simple harmonic motion A periodic motion An oscillatory motion ANSWER DOWNLOAD EXAMIANS APP
Physics Fuse wire is made of an alloy of Copper and Silver Tin and Lead Tin and Copper Lead and Copper Copper and Silver Tin and Lead Tin and Copper Lead and Copper ANSWER DOWNLOAD EXAMIANS APP
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