Physics Light Emitting Diodes (LED) is used in fancy electronic devices such as toys emit radio waves visible light ultraviolet light X-rays radio waves visible light ultraviolet light X-rays 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 Work and Torque Impulse and Momentum Angular momentum and Planck's constant Moment of inertia and moment of a force Work and Torque Impulse and Momentum Angular momentum and Planck's constant ANSWER DOWNLOAD EXAMIANS APP
Physics Mercury is commonly used as a thermometric fluid rather than water because specific heat of mercury is more than water specific heat of mercury is less than water density of mercury is more than the water mercury has greater visibility than water specific heat of mercury is more than water specific heat of mercury is less than water density of mercury is more than the water mercury has greater visibility than water ANSWER DOWNLOAD EXAMIANS APP
Physics Optical fibre works on the principle of refraction total internal reflection scattering interference principle of refraction total internal reflection scattering interference 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 years 42 seconds 4.2 years 4.2 seconds 42 years 42 seconds 4.2 years 4.2 seconds ANSWER DOWNLOAD EXAMIANS APP