The diameter of the reflecting surface of a spherical mirror is called a/an
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Consider a hypothetical planet whose mass and radius are both half that of Earth. If g is the acceleration due to gravity on the surface of Earth, the acceleration due to gravity on the planet will be
What is the heat generated (in J) in a heating element of resistance 800 Ω when a current of 0.2 A passes through it for 40 seconds?
The instrument used to examine a person's digestive tract is called ___.
An element has an atomic weight of W and an atomic number of N. The number of protons in the nucleus of its atom is
The energy released at the end of digestion is in the form of
After buying a toy for Rs.45, Raghu managed to sell it at a profit of 15%. The selling price of the toy was
Which part of the human reproductive system helps the embryo get its nutrition from the mother's blood?