NCERT Exemplar VIII — task. Science CBSE, Class 9.

PDF chapter test TRY NOW

1. The weight of an object at the centre of the earth of radius \(R\) is

\(zero\)
\(\frac{1}{R^2}\) times the weight at surface of the earth
\(infinite\)
\(R\) times the weight at the surface of the earth

2. An object weighs \(10\ N\) in air. When immersed fully in water, it weighs only \(8\ N\). The weight of the liquid displaced by the object will be

\(8\ N\)
\(2\ N\)
\(12\ N\)
\(10\ N\)

Login or Fast registration

Previous exercise

Exit to the topic

Did you find an error?

Register for free to see more content

Register for free to see more content