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★ The given diagram shows two girls playing table tennis. Amrita hit the ball over the net and at point X, Beena hit it back with a lot of force.What would happen at point X?


(A) The force caused the ball to stop moving.
(B) The force caused a change in the size of the ball.
(C) The force caused a change in the direction of the ball.

Aa and b
Ba only
Ca, b and c
Dc only

Manish tried to see if he could produce different sounds with a guitar. The table below shows some of the things he did and the result.


What did Manish's experiment show about how sound can be produced ?

AThe same sounds can be produced in different ways.
BDifferent sounds can be produced by doing the same actions.
CDifferent sounds can be produced by doing different actions.
DNone of the above.

In the given figure, the number of vertical lines is ________ the number of horizontal lines.

(a) More than
(b) Less than
(c) Same as
(d) Can’t be determined

(A) 10°C, 100°C

(B) 100°C, 0°C

(C) 36.7°C, 0°C

(D) 100°C, 26°C

Submultiple micro is equal to

(A) 1/1000000

(B) 1/100000

(C) 1/10000000

Choose the incorrect statement from the following.

(A) Distance between Delhi and Hyderabad is of order in km

(B) Hundred centimetre make one metre

(C) 1 tonne is equal to 10⁶ g

Two men are standing in front of a plane mirror as shown. When man X looks into the mirror, how far away from him will man Y seem to be?

(a) 14 m
(b) 16 m
(c) 12 m
(d) 10 m

(A) Tent

(B) Caravan

(C) House boat

(D) All of these.

(A) (a), (b) & (c)

(B) (b) only

(C) (d) only

(D) (c) & (d)