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# IIT-JEE-Physics-Screening-2003

Screening
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1.         A metallic shell has a point charge 'q' kept inside its cavity. Which one of the following diagrams correctly represents the electric lines of forces?

2.
What is the maximum value of the force F such that the block shown in the arrangement, does not move?

(a)       20 N
(b)      10 N
(c)      12 N
(d)      15 N

3.
Consider a body, shown in figure, consisting of two identical balls, each of mass M connected by a light rigid rod. If an impulse J = MV is imparted to the body at one of its ends, what would be its angular velocity?

(a)       V/L
(b)       2V/L
(c)       V/3L
(d)       V/4L

4.
If W1, W2 and W3 represent the work done in moving a particle from A to B along three different paths 1, 2 and 3 respectively (as shown) in the gravitational fields of a point mass m. Find the correct relation between W1, W2 and W3

(a)       W1 > W2 > W3
(b)       W1 = W2 = W3
(c)       W1 < W2 < W3
(d)       W2 > W1 > W3

5.
A cube has a side of length 1.2 × 10-2 m. Calculate its volume.
(a)       1.7 × 10-6 m3
(b)       1.73 × 10-6 m3
(c)       1.70 × 10-6 m3
(d)       1.732 × 10-6 m3

3λ/2 λ/4d λ/d 4λ/d