Physics If the wavelengths corresponding to ultraviolet, visible and infrared radiations are given as lUV, lVIS and lIR respectively, then which of the following gives the correct relationship among these wavelengths? LUV > lVIS > lIR LUV < lVIS < lIR LUV < lIR < lVIS LUV > lIR > lVIS LUV > lVIS > lIR LUV < lVIS < lIR LUV < lIR < lVIS LUV > lIR > lVIS ANSWER DOWNLOAD EXAMIANS APP
Physics A bomb at rest explodes into a large number of tiny fragments. The total momentum of all the fragments Depends on the speeds of various fragments Is infinity Depends on the total mass of all the fragments Is zero Depends on the speeds of various fragments Is infinity Depends on the total mass of all the fragments Is zero ANSWER DOWNLOAD EXAMIANS APP
Physics A bullet of mass 10gm is fired with a velocity of 40 m/s from a gun of mass 8 kg. Find the recoil velocity (in m/s) of the gun. 0.1 0.05 2 4 0.1 0.05 2 4 ANSWER DOWNLOAD EXAMIANS APP
Physics Alternating current is converted into direct current by a Rectifier Transformer Oscillator Dynamo Rectifier Transformer Oscillator Dynamo ANSWER DOWNLOAD EXAMIANS APP
Physics Optic fibres are used in : CAT scans Endoscopy Ultrasound scans X-ray photos CAT scans Endoscopy Ultrasound scans X-ray photos ANSWER DOWNLOAD EXAMIANS APP
Physics The splitting of white light into its components is due to: Refraction Reflection Dispersion Transmission Refraction Reflection Dispersion Transmission ANSWER DOWNLOAD EXAMIANS APP