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