Physics Quiz - Examenly

Phyiscs Quiz

This is a Simple Physics Quiz

1 / 25

A body of mass 2 kg is accelerated at a rate of 3m/s
²
. What is the net force acting on the

5 N

1.5 N

6 N

2/3 N

2 / 25

In a series circuit, if one bulb burns out, the other bulbs will:

Get brighter

Go out

Stay lit

Flash on and off

3 / 25

Which of the following is a scalar quantity?

Velocity

Mass

Displacement

Force

4 / 25

A car accelerates from rest to a speed of 20 m/s in 5 seconds. What is its acceleration?

1m/s²

4m/s²

2m/s²

5m/s²

5 / 25

What is the principle behind the working of a hydraulic press?

Bernoulli's Principle

Archimedes' Principle

Newton's Law of Gravitation

Pascal's Law

6 / 25

The law of conservation of energy states that energy cannot be:

Transformed

Both a) and b)

Destroyed

Created

7 / 25

The phenomenon of light bending as it passes from one medium to another is called:

Refraction

Diffraction

Dispersion

Reflection

8 / 25

An object is placed at a distance of 20 cm from a concave mirror with a focal length of 10 cm. What is the nature of the image formed?

Real, inverted, and magnified

Virtual, erect, and diminished

Virtual, erect, and magnified

Real, inverted, and same size

9 / 25

The unit of magnetic field strength is:

Henry

Tesla

Weber

Farad

10 / 25

An object of mass 5 kg is lifted vertically to a height of 2 meters. What is the work done against gravity? (Assume g = 10m/s²)

50 J

20 J

10 J

100 J

11 / 25

A wave has a wavelength of 2 meters and a frequency of 10 Hz. What is its speed?

8 m/s

20 m/s

5 m/s

12 m/s

12 / 25

The process of splitting of a heavy nucleus into two or more lighter nuclei is called:

Nuclear decay

Nuclear fission

Radioactivity

Nuclear fusion

13 / 25

The speed of light in a vacuum is approximately:

3×10⁸ m/s

3×10⁶ m/s

3×10⁵ m/s

3×10⁷ m/s

14 / 25

What is the unit of power?

Watt

Joule

Newton

Pascal

15 / 25

The change in momentum of a body is equal to the:

Power

Impulse

Work

Force

16 / 25

What is the phenomenon where a continuous spectrum is seen when a prism is used to split white light?

Dispersion

Interference

Refraction

Reflection

17 / 25

A pendulum completes 20 oscillations in 10 seconds. What is its frequency?

2 Hz

20 Hz

0.5 Hz

10 Hz

18 / 25

What is the SI unit of electric charge?

Coulomb

Volt

Ohm

Ampere

19 / 25

The total resistance of two resistors connected in parallel with resistances $R_{1}$ and $R_{2}$ is given by the formula:

R₁+R₂

1/R₁+1/R₂

(R₁×R₂)/(R₁+R₂)

(R₁+R₂)/(R₁×R₂)

20 / 25

Which of the following materials is a good conductor of electricity?

Rubber

Wood

Copper

Glass

21 / 25

A concave lens always forms an image that is:

Virtual, erect, and diminished

Real, erect, and magnified

Virtual, inverted, and magnified

Real, inverted, and diminished

22 / 25

A ball is dropped from a height of 10 meters. Ignoring air resistance, what is its speed just before it hits the ground?

14 m/s

19.6 m/s

9.8 m/s

4.9 m/s

23 / 25

If a 100-watt light bulb is used for 10 hours, how much energy (in kilowatt-hours) is consumed?

10 kWh

1000 kWh

1 kWh

100 kWh

24 / 25

Which of the following is a vector quantity?

Distance

Time

Speed

Momentum

25 / 25

What is the value of the universal gravitational constant, G?

9.8m/s²

3×10⁸ m/s

6.67×10^-11 N⋅m²/kg²

1.6×10^-19 C

Your score is

Overview:

Test your knowledge of physics with this engaging quiz! From motion and forces to energy, waves, and modern physics, this quiz is designed to challenge your understanding of key concepts. Whether you’re a student preparing for exams or just curious about the subject, this physics quiz will help you revise and strengthen your basics.