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