The diameter of the reflecting surface of a spherical mirror is called a/an
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The length of one side and the diagonal of a rectangle are 8 cm and 17 cm respectively. Find its area (in cm2).
Knife is an example for
Glaciers are formed by
Rate of the growth of an economy is measured in terms of
The copper wire when bent in the form of a square encloses an area of 121 cub.cm. If the same wire is bent into the form of a circle, find the area of the circle.
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?
An echo is returned in 3 s. What is the distance of the reflecting surface from the source, considering the speed of sound as 342 ms-1?
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