Which of the following coloured light has the lowest frequency?
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The SI unit of weight is a
The energy released at the end of digestion is in the form of
Which of the following devices helps to maintain a potential difference across a conductor?
Which of the following is not a renewable source of energy?
What of the given below devices converts chemical energy to electrical energy?
Astronauts inside spaceship feel ___ weight.
Calculate the time period (in seconds) of a sound wave of wavelength 5m travelling with a speed of 500 m/s.
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