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A high voltage applied to a gas discharge tube having neon gas at very low pressure causes a current to flow through the tube.
Which particles that flow towards the cathode?
a) Electrons
b) Protons
c) Negatively charged neon ions
d) Positively charged neon ions
Ans - Positively charged neon ion
An aluminum rod at a temperature of 100 o Celsius radiates energy at a rate of 10 watts. If its temperature is enhanced to 200 o Celsius, at approximately what rate will it radia
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Assume a car rolls down a 52.0-m-long inclined parking lot and is stopped by a fence. If it took the car 11.25 s to roll down the hill, what was the acceleration of the car bef
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Defects of Vision Long Sightened When a person can see far objects clearly but cannot see near object clearly then this defect of vision is called as long sightedness.
A diffraction grating with slits separated by 3.40 x 10 -6 m is illuminated by light with a wavelength of 589 nm. The separation between lines in the diffraction pattern is 0
Write about the main features in which Fresnel and Fraunhoffer approaches of diffraction differ? Mention some (at least four) applications of diffraction.
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