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If both the mass and radius of the earth decreases by 1%, then

the escape velocity would increase
the escape velocity would decrease
the acceleration due to gravity would increase
the acceleration due to gravity would decrease
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Assertion : The nature of X-ray spectrum is continuous.
Reason : X-rays arise due to jumps of electrons from higher orbit to one of the inner orbit in an atom.
A. Both, Assertion and Reason are true and the Reason is correct explanation of the Assertion.
B. Both, Assertion and Reason are true but the Reason is not correct explanation of the Assertion.
C. Assertion is true but the Reason is false.
D. Both, Assertion and Reason are false.

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The moment of inertia of a sphere of mass M and radius R about an axis passing through its
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A body of mass 6 kg is acted upon by a force which causes a displacement in it given
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Two rods of same length and area of cross-section and Young s moduli Y, and Y2 are joined
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