Physics Light Emitting Diodes (LED) is used in fancy electronic devices such as toys emit radio waves ultraviolet light X-rays visible light radio waves ultraviolet light X-rays visible light ANSWER DOWNLOAD EXAMIANS APP
Physics Out of the following pairs, which one does not have identical dimension? Moment of inertia and moment of a force Angular momentum and Planck's constant Work and Torque Impulse and Momentum Moment of inertia and moment of a force Angular momentum and Planck's constant Work and Torque Impulse and Momentum ANSWER DOWNLOAD EXAMIANS APP
Physics Mercury is commonly used as a thermometric fluid rather than water because specific heat of mercury is less than water density of mercury is more than the water specific heat of mercury is more than water mercury has greater visibility than water specific heat of mercury is less than water density of mercury is more than the water specific heat of mercury is more than water mercury has greater visibility than water ANSWER DOWNLOAD EXAMIANS APP
Physics Optical fibre works on the scattering principle of refraction interference total internal reflection scattering principle of refraction interference total internal reflection ANSWER DOWNLOAD EXAMIANS APP
Physics Light from the star, Alpha Centauri, which is nearest to the earth after the sun, reaches the earth in 4.2 years 42 years 42 seconds 4.2 seconds 4.2 years 42 years 42 seconds 4.2 seconds ANSWER DOWNLOAD EXAMIANS APP