Physics Rainbow is produced when sunlight fall on drops of rain. Which of the following physical phenomena are responsible for this? I.Diffusion II.Refraction III.Internal reflection II and III I and III I and II I, II and III II and III I and III I and II I, II and III ANSWER DOWNLOAD EXAMIANS APP
Physics In a photocell light energy is converted into Potential energy Chemical energy Electrical energy Heat energy Potential energy Chemical energy Electrical energy Heat energy ANSWER DOWNLOAD EXAMIANS APP
Physics Which of the following are used for accurately measuring very small time intervals ? Pulsars White dwarfs Quartz clocks Atomic clocks Pulsars White dwarfs Quartz clocks Atomic clocks ANSWER DOWNLOAD EXAMIANS APP
Physics The height of a geo-stationary satellite from the Earth's surface is approximately : 36,000 km 30,000 km None of these 42,000 km 36,000 km 30,000 km None of these 42,000 km ANSWER DOWNLOAD EXAMIANS APP
Physics In a freezer ice cubes will be formed more quickly in trays made of Aluminium Plastic Rubber Wood Aluminium Plastic Rubber Wood ANSWER DOWNLOAD EXAMIANS APP
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