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? 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 Moment of inertia and moment of a force Angular momentum and Planck's constant ANSWER DOWNLOAD EXAMIANS APP
Physics Mercury is commonly used as a thermometric fluid rather than water because mercury has greater visibility than water density of mercury is more than the water specific heat of mercury is more than water specific heat of mercury is less than water mercury has greater visibility than water density of mercury is more than the water specific heat of mercury is more than water specific heat of mercury is less than water ANSWER DOWNLOAD EXAMIANS APP
Physics Optical fibre works on the total internal reflection interference scattering principle of refraction total internal reflection interference scattering principle of refraction 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 seconds 4.2 years 42 years 4.2 seconds 42 seconds 4.2 years 42 years ANSWER DOWNLOAD EXAMIANS APP
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