Physics Red light has a wavelength of 70 A°. In "nm" it is 70 nm 0.07 nm 7 nm 700 nm 70 nm 0.07 nm 7 nm 700 nm ANSWER DOWNLOAD EXAMIANS APP
Physics The speed of light in air is 3 × 108 m/s Infinity 8 × 103 m/s 3 × 10–8 m/s 3 × 108 m/s Infinity 8 × 103 m/s 3 × 10–8 m/s ANSWER DOWNLOAD EXAMIANS APP
Physics It is more difficult to walk on a sandy road than on a concrete road because the sand is grainy but concrete is smooth. the friction between sand and feet is more than that between concrete and feet. the friction between sand and feet is less than that between concrete and feet. sand is soft and concreter is hard. the sand is grainy but concrete is smooth. the friction between sand and feet is more than that between concrete and feet. the friction between sand and feet is less than that between concrete and feet. sand is soft and concreter is hard. ANSWER DOWNLOAD EXAMIANS APP
Physics If the phase difference between two points is 120° for a wave with velocity of 360 m/s and frequency 500 Hz, then path difference between the two points is 6 cm 24 cm 1 cm 12 cm 6 cm 24 cm 1 cm 12 cm ANSWER DOWNLOAD EXAMIANS APP
Physics Person who is colourblind cannot distinguish between Black and yellow Green and blue Yellow and white Red and green Black and yellow Green and blue Yellow and white Red and green ANSWER DOWNLOAD EXAMIANS APP
Physics Which component of an IED creates an electrical charge? Power source Explosive Fuse Activator Power source Explosive Fuse Activator ANSWER DOWNLOAD EXAMIANS APP