# NCERT Class VII Science Solutions: Chapter 13-Motion and Time Part 1

MULTIPLE CHOICE QUESTIONS

Question 1:

Which of the following cannot be used for measurement of time?

1. A leaking tap.

2. Simple pendulum.

3. Shadow of an object during the day.

Question 2:

Two clocks A and B are shown in Figure Clock A has an hour and a minute hand, whereas clock B has an hour hand, minute hand as well as a second hand. Which of the following statement is correct for these clocks?

1. A time interval of 30 seconds can be measured by clock A.

2. A time interval of 30 seconds cannot be measured by clock B.

3. Time interval of 5 minutes can be measured by both A and B.

4. Time interval of 4 minutes 10 seconds can be measured by clock A. Two Clocks a and B. Two clocks A and B are shown in Figure

Question 3:

Two students were asked to plot a distance-time graph for the motion described by Table A and Table B.

Table A

 Distance Moved (M) 0 10 20 30 40 50 Time (minutes) 0 2 4 6 8 10

Table B

 Distance Moved (M) 0 5 10 15 20 25 Time (minutes) 0 1 2 3 4 5 Distance-Time Graph of the Uniform As showing in images is a distance-time graph of the uniform

The graph given in Figure is true for

1. Both A and B.

2. A only.

3. B only.

4. Neither A nor B.