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The correct answer is B
Temperature of the Sun is measured by
In the atmosphere ultraviolet rays are absorbed by –
UNO was established on?
The splitting up of white light into seven colours on passing through a glass prism is called as
What is the frequency of Ultrasonic Waves?
How much calorie of energy is released by a boiled egg?
The method of transfer of heat in liquid is
Which statement about the properties of light and sound is incorrect?
Assess the accuracy of these statements concerning entropy and thermodynamic equilibrium:
(I) Entropy measures the disorder or randomness within ...
What device is primarily used to convert alternating current (AC) into direct current (DC)?
