Which one among the following components is used as an amplifying device?
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Mohan, having a mass of 40 kg, runs up a staircase of 50 steps in 10 s. If the height of each step is 15 cm, then what is his power?
The SI unit of intensity of sound is ______.
If an object moves in a purely rotatory motion, then each constituent particle of the body moves in a circle, the centre of which is located on a line is called _______.
Panaji is the capital of which Indian State?
Animals in which the cells are arranged in two embryonic layers are called ________.
Octopus belongs to the phylum
In the following question, out of the four alternatives, select the word similar in meaning to the word given.
Petrify