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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
Positive rays are sometimes called as the canal waves. These were found by Goldstein. If the cathode of a discharged tube has holes in it and the pressure of the gas is around 10-3
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a car of mass 800kg is pulling a trailer 300kg where sin a=1|200.Resistance to motion(apart from gravity) is 1.5N per kg of mad for each vehicle.calculate the pulls of the engine
The stress at which the specimen breaks or reptures ultimately is known as ultimate strength. We also called this TENSILE STRENGTH .
Two 20-g ?atworms climb over a very thin wall, 10 cm high. One of the worms is 20 cm long, the other is wider and only 10 cm long. Which of them has done more work against grav
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A record player's needle is 6.5 cm from the center of a 45-rpm record. Calculate velocity of the needle?
In which direction does air exert maximum pressure?
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