Physics The light rays used for eliminating bacteria X-rays Microwave radiation Infrared rays Ultra-violet radiation X-rays Microwave radiation Infrared rays Ultra-violet radiation ANSWER DOWNLOAD EXAMIANS APP
Physics Which of the following is not caused by atmospheric refraction of light ? Twinkling of stars at night Sun becoming visible two or three minutes before actual sunrise Sun appearing red at sunset Sun appearing higher in the sky than it actually is Twinkling of stars at night Sun becoming visible two or three minutes before actual sunrise Sun appearing red at sunset Sun appearing higher in the sky than it actually is ANSWER DOWNLOAD EXAMIANS APP
Physics The refractive index of a transparent medium is maximum for Red light Yellow light Violet light Green light Red light Yellow light Violet light Green light ANSWER DOWNLOAD EXAMIANS APP
Physics A water tank appears shallower when it is viewed from top due to Rectilinear propagation of light Refraction Reflection Total internal reflection Rectilinear propagation of light Refraction Reflection Total internal reflection ANSWER DOWNLOAD EXAMIANS APP
Physics Wollen clothes keep the body warm because Wool absorbs radiant heat from outer objects Wool rejects heat from the outer objects Wool is a bad conductor Wool increases the temperature of the body Wool absorbs radiant heat from outer objects Wool rejects heat from the outer objects Wool is a bad conductor Wool increases the temperature of the body ANSWER DOWNLOAD EXAMIANS APP
Physics Ice is packed in saw dust because Saw dust is poor conductor of heat. Saw dust does not stick to the ice. Saw dust will not get melted easily. Saw dust is a good conductor of heat. Saw dust is poor conductor of heat. Saw dust does not stick to the ice. Saw dust will not get melted easily. Saw dust is a good conductor of heat. ANSWER DOWNLOAD EXAMIANS APP