Category: Physics

No.	Topics.	No.	Topics.
1.	Acceleration -FORCE AND MOTION	2.	Addition of Vectors (Rectangular Components
3.	CURRENT ELECTRICITY	4.	DAWN OF MODERN PHYSICS
5.	Displacement-time Graph-FORCE AND MOTION	6.	ELECTROMAGNETIC INDUCTION
7.	ELECTROMAGNETISM	8.	ELECTRONICS
9.	ELECTROSTATICS	10.	FORCE AND MOTION
11.	FORCE AND MOTION Displacement	12.	FORCE AND MOTION Velocity
13.	NUCLEAR PHYSICS	14.	Product of Vectors (Scalar Product
15.	ROTATIONAL AND CIRCULAR MOTION	16.	SPECTRA SPECTRA
17.	THERMODYNAMICS	18.	VECTORS AND EQUILIBRIUM
19.	WAVES

A car’s velocity changes from 5 m/s to 15 m/s over a displacement of 50 m. Its acceleration is:

1 m/s²
2 m/s²
3 m/s²
4 m/s²

A projectile is fired at an angle of 45°. Its displacement is zero when it:

Reaches maximum height
Lands at the same horizontal level from where it was fired
Has completed half its flight
Is at the halfway point of its maximum height

Using v² = u² + 2as, displacement ‘s’ can be calculated as:

(v² – u²)/2a
(v – u)/2a
(v² + u²)/2a
2a(v² – u²)

A body is dropped from rest from a height of 45 m. Its displacement when it hits the ground is (g=10 m/s²):

45 m downwards
45 m upwards
0 m
90 m downwards

A ball is thrown vertically upwards with a velocity of 20 m/s. Its displacement when it reaches the highest point is (g=10 m/s²):

10 m
20 m
40 m
5 m

A car moving at 10 m/s accelerates at 2 m/s² for 5 seconds. The displacement covered is:

25 m
50 m
75 m
100 m

An object starts from rest and accelerates at 4 m/s² for 3 seconds. Its displacement is:

12 m
18 m
6 m
24 m

A displacement-time graph starts at the origin and curves upwards. The velocity of the object is:

Zero
Constant
Increasing
Decreasing

Total displacement from a v-t graph is the:

Slope of the graph
Highest point on the graph
Final velocity
Net area under the curve

If a v-t graph forms a trapezoid with parallel sides of 5 m/s and 10 m/s and a height of 4 s, the displacement is:

15 m
20 m
30 m
40 m

The displacement of an object can be found by calculating the area between the v-t graph and the:

Displacement axis
Velocity axis
Acceleration axis
Time axis

If the area under a v-t graph is negative, the displacement is:

Positive
Zero
In the negative direction
A scalar quantity

A displacement-time graph cannot be:

A horizontal line
A straight inclined line
A curve
A straight line parallel to the displacement axis

A steeper slope on a displacement-time graph means:

Lower speed
Higher speed
The object is at rest
The object is accelerating

A v-t graph shows velocity increasing from 0 to 15 m/s in 3 s. The displacement is:

45 m
5 m
22.5 m
18 m

On a d-t graph, two lines are parallel. This means that the two bodies have:

The same displacement
The same velocity
The same acceleration
The same starting point

For a particle moving with uniform velocity, its displacement-time graph is a:

Straight line inclined to the time axis
Parabola
Horizontal line
Vertical line

A displacement-time graph that is a curve indicates that the object has:

Zero velocity
Constant velocity
Non-uniform velocity (acceleration)
Constant displacement

If a velocity-time graph is a horizontal line above the time axis, the displacement is:

Zero
Negative and constant
Increasing linearly with time
Decreasing linearly with time

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