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JEE Advanced 2020 Full Test 6 Paper 1

Answer questions Q. 11 , Q. 12 and Q. 13 by appropriately matching the information given in the three columns of the following table.

An object of mass M and radius R is pure rolling on a horizontal surface. It smoothly climbs over an rough incline with sufficient friction to ensure no slipping. The following grid has 3-columns: Column- I represents the type of object. Column II represents the maximum height attained by the object and column III represents the time taken to reach the maximum height.

Column 1 (Object)

Column 2 (Height)

Column 3 (Time)

(I)

Ring

(i)

‌

7v2

10g

(P)

7v∕5g‌sin‌θ

(II)

Disc

(ii)

‌

3v2

(Q)

2v∕g‌sin‌θ

(III)

Hollow sphere

(iii)

v2∕g

(R)

3v∕2g‌sin‌θ

(IV)

Solid sphere

(iv)

‌

5v2

(S)

5v∕3g‌sin‌θ

Question : 13

Total: 54

The combination for which maximum friction acts between the body and the incline is

(I) (iii) (Q)
(II) (ii) (R)
(III) (iv) (S)
(IV) (i) (P)

Validate

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