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संबंधित प्रश्न
Name two units of length which are bigger than a metre. How are they related of the metre?
It takes time 8 min for light to reach from the sun to the earth surface . If speed of light is taken to be `3 xx 10^8 "m/s"^-1` , find the distance from the sun to the earth in km .
A boy makes a ruler with graduations in cm on it, (i.e. 100 divisions in 1 m). To what accuracy this ruler can measure? How can this accuracy be increased?
State the formula for calculating percentage error
Show how will you use the physical balance to measure the mass of an object.
Arrange the following in correct sequence.
1L, 100 cc, 10 L, 10 cc
Questions based on Higher Order Thinking Skills:
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There are three spheres A, B, C as shown below. Sphere A and B are made of same material. Sphere C is made of a different material. Spheres A and C have equal radii. The radius of sphere B is half that of A. Density of A is double that of C.
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Now answer the following questions:
- Find the ratio of masses of spheres A and B.
- Find the ratio of volumes of spheres A and B.
- Find the ratio of masses of spheres A and C.
The gravity accelerates an object, and the distance fallen is proportional to ______.
