Forum

Motion

. In which of the following cases of motions, the distance moved and the
magnitude of displacement are equal?
(a) If the car is moving on straight road
(b) If the car is moving in circular path
(c) The pendulum is moving to and fro
(d) The earth is revolving around the Sun

05/11/2024

Science

9th

Motion

Slope of a velocity – time graph gives
(a) the distance
(b) the displacement
(c) the acceleration
(d) the speed

05/11/2024

Science

9th

Motion

Suppose a boy is enjoying a ride on a merry-go-round which is moving
with a constant speed of 10 m s–1. It implies that the boy is
(a) at rest
(b) moving with no acceleration
(c) in accelerated motion
(d) moving with uniform velocity

05/11/2024

Science

9th

Motion

If the displacement of an object is proportional to square of time, then the
object moves with
(a) uniform velocity
(b) uniform acceleration
(c) increasing acceleration
(d) decreasing acceleration

05/11/2024

Science

9th

Motion

The numerical ratio of displacement to distance for a moving object is
(a) always less than 1
(b) always equal to 1
(c) always more than 1
(d) equal or less than 1

05/11/2024

Science

9th

Motion

A particle is moving in a circular path of radius r. The displacement after
half a circle would be:
(a) Zero
(b) π r
(c) 2 r
(d) 2π r

05/11/2024

Science

9th

Diversity In Living Organism

Why do we keep both snake and turtle in the same class?

05/11/2024

Science

9th

Diversity In Living Organism

List out some common features in cat, rat and bat

05/11/2024

Science

9th

Diversity In Living Organism

Differentiate between flying lizard and bird. Draw the diagram.

05/11/2024

Science

9th

Diversity In Living Organism

Which organism is more complex and evolved among Bacteria, Mushroom
and Mango tree. Give reasons.

05/11/2024

Science

9th