Physics Light Emitting Diodes (LED) is used in fancy electronic devices such as toys emit ultraviolet light radio waves X-rays visible light ultraviolet light radio waves 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 Impulse and Momentum Work and Torque Moment of inertia and moment of a force Angular momentum and Planck's constant Impulse and Momentum Work and Torque ANSWER DOWNLOAD EXAMIANS APP
Physics Mercury is commonly used as a thermometric fluid rather than water because 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 specific heat of mercury is less 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 4.2 seconds 4.2 years 42 seconds 42 years 4.2 seconds 4.2 years 42 seconds 42 years ANSWER DOWNLOAD EXAMIANS APP