Which gas produces a red coloured light in a dischar...
Which gas produces a red coloured light in a discharge tube?
Mercury
Argon
Air
Neon
Correct answer is D
No explanation has been provided for this answer.
An object is projected for the hieght of 80 m above the ground with a velocity of 40ms-1 at the angl...
A wire, 20m long is heated from a temperature of 5°C to 55°C. If the change in length is 0.0...
The real image of an object formed by a converging lens of focal length 15cm, is three times the siz...
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A light wave travels from air into a medium of refractive index 1.54. If the wavelength of the light...
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The diagram above shows a waveform in which energy is transferred from A to B in a time of 2.5 x 10-...
The amount of heat required to raise the temperature of a body is ...
The general definition of elastic modulus is ...
All the heat generated in a 5 ohms resistor by 2A flowing for 30 seconds is used to evaporate 5g of ...
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