Physics The speed of light in air is 3 × 10–8 m/s Infinity 3 × 108 m/s 8 × 103 m/s 3 × 10–8 m/s Infinity 3 × 108 m/s 8 × 103 m/s ANSWER DOWNLOAD EXAMIANS APP
Physics When the Sun is near the horizon during the morning or evening, it appears reddish. The phenomenon that is responsible for this observation is Refraction of light Reflection of light Scattering of light Dispersion of light Refraction of light Reflection of light Scattering of light Dispersion of light ANSWER DOWNLOAD EXAMIANS APP
Physics Bending of light rays in denser medium is termed as: Dispersion Reflection Deflection Refraction Dispersion Reflection Deflection Refraction ANSWER DOWNLOAD EXAMIANS APP
Physics Which, of the following radiations has the least wavelength ? A-rays G-rays X-rays B-rays A-rays G-rays X-rays B-rays ANSWER DOWNLOAD EXAMIANS APP
Physics Sound travels with a different speed in media. In what order does the velocity of sound increase in these media? Water, iron and air Iron, water and air Air, water and iron Iron, air and water Water, iron and air Iron, water and air Air, water and iron Iron, air and water ANSWER DOWNLOAD EXAMIANS APP
Physics The refractive index of a transparent medium is maximum for Green light Violet light Red light Yellow light Green light Violet light Red light Yellow light ANSWER DOWNLOAD EXAMIANS APP