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JEE Advanced 2020 Full Test 7 Paper 1

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Question : 5

Total: 54

A box of mass M is kept on a frictionless and inclined plane which is inclined at an angle θ with the horizontal. A box is having another frictionless inclined plane, inclined at same angle θ with the previously described inclined plane as shown in the figure. If a block of mass m is kept on this inclined plane inside the box, then

the acceleration of the block with respect to the box is ‌
(M+m)g‌sin‌θ‌cos‌θ
M+msin2θ
towards the left side.
the acceleration of the block with respect to the box is ‌
(M+m)g‌sin‌θ‌cos‌θ
M+msin2θ
towards the right side.
the normal reaction between the box and the inclined plane is ‌
M(M+m)g‌cos‌θ
M+msin2θ
.
the normal reaction between the box and the block is ‌
Mmgcos2θ
M+msin2θ

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