Physics Light Emitting Diodes (LED) is used in fancy electronic devices such as toys emit X-rays ultraviolet light visible light radio waves X-rays ultraviolet light visible light radio waves 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 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 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 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 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 scattering interference principle of refraction total internal reflection scattering interference principle of refraction total internal reflection 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 years 4.2 seconds 42 seconds 42 years 4.2 years 4.2 seconds 42 seconds ANSWER DOWNLOAD EXAMIANS APP
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