Physics Ozone layer above the surface of Earth provides a shield against Infra-red rays Gamma rays Ultra-violet rays X-rays Infra-red rays Gamma rays Ultra-violet rays X-rays ANSWER DOWNLOAD EXAMIANS APP
Physics Red light is used for signals because it has High intensity High frequency Low refraction in the medium Long wavelength High intensity High frequency Low refraction in the medium Long wavelength ANSWER DOWNLOAD EXAMIANS APP
Physics Out of the following, which is not emitted by radioactive substance? Alpha particles Neutrons Electrons Electromagnetic radiations Alpha particles Neutrons Electrons Electromagnetic radiations ANSWER DOWNLOAD EXAMIANS APP
Physics A balloon filled with hydrogen will Burst after reaching some height Reach a particular height and start coming down Continue going upwards uninterrupted Reach a particular height and remain floating Burst after reaching some height Reach a particular height and start coming down Continue going upwards uninterrupted Reach a particular height and remain floating ANSWER DOWNLOAD EXAMIANS APP
Physics The unit of electrical power is Ampere Kilowatt hour Watt Bolt Ampere Kilowatt hour Watt Bolt ANSWER DOWNLOAD EXAMIANS APP
Physics An object which absorbs all colours and reflects none appears: Blue Grey Black White Blue Grey Black White ANSWER DOWNLOAD EXAMIANS APP
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