Physics Which of the following cannot be used for making lenses? Water Soil Glass Plastic Water Soil Glass Plastic ANSWER DOWNLOAD EXAMIANS APP
Physics In mirrors the back surface is coated with a thin layer of : Mercury Red oxide Silver Silver nitrate Mercury Red oxide Silver Silver nitrate ANSWER DOWNLOAD EXAMIANS APP
Physics Which has the lowest albedo? Both A & B Light surfaces Dark surfaces None of these Both A & B Light surfaces Dark surfaces None of these ANSWER DOWNLOAD EXAMIANS APP
Physics Light from the star, Alpha Centauri, which is nearest to the earth after the sun, reaches the earth in 42 seconds 42 years 4.2 years 4.2 seconds 42 seconds 42 years 4.2 years 4.2 seconds ANSWER DOWNLOAD EXAMIANS APP
Physics The least penetrating power ray is Beta rays None of these Alpha rays Gamma rays Beta rays None of these Alpha rays Gamma rays ANSWER DOWNLOAD EXAMIANS APP
Physics One light year is equal to 6 trillion miles 9 trillion miles 8 trillion miles 2 trillion miles 6 trillion miles 9 trillion miles 8 trillion miles 2 trillion miles ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS