Physics vs Reality: How the Universe Defies Our Understanding

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Question 1: Which of the following is a vector Quantity?

A) Mass

B) Speed

C) Velocity

D) Time

Question 2:The unit of electric current is

A) Volt

B) Ampere

C) Coulomb

D) Ohm

Question 3: The force that causes an object to move in a circular path is called:

A) Gravitational force

B) Centripetal force

C) Frictional force

D) magnetic force

Question 4: Which of the following is the unit of power?

A) Watt

B) Joule

C) Ampere

D) Volt

Question 5: What is the formula for calculating the speed of a wave?

A) Speed = Frequency × Wavelength

B) Speed = Wavelength × Time

C) Speed = Distance × Time

D) Speed = Time / Distance

Question 6:The resistance of a conductor depends on:

A) Its length

B) Its temperature

C) Its cross-sectional area

D) All of the above

Question 7:The magnetic field inside a solenoid is:

A) Uniform and weak

B) Uniform and weak

C) Non-uniform and weak

D) Non-uniform and strong

Question 8: The SI unit of work is:

A) Newton

B) Joule

C) Watt

D) Ampere

Question 9: The law of reflection states that:

A) Angle of incidence is equal to the angle of refraction

B) Angle of incidence is equal to the angle of reflection

C) Angle of reflection is twice the angle of incidence

D) Angle of incidence is half the angle of reflection

Question 10: In a convex lens, the image formed by an object at infinity is:

A) Virtual and at focus

B) Real and at focus

C) Real and at infinity

D) Virtual and at infinity

Question 11: Which of the following is not an example of a on-contact force?

A) Gravitational force

B) Electrostatic force

C) Magnetic force

D) Frictional force

Question 12: The electric potential energy of a system is related to:

A) The charge and electric field

B) The charge and distance

C) The electric field and distance

D) The charge and current

Question 13: Which of the following materials is the best conductor of electricity?

A) Wood

B) Copper

C) Plastic

D) Rubber

Question 14: The principal of conservation of energy states that:

A) Energy can neither be created nor destroyed

B) Energy can only be destroyed

C) Energy can be created from nothing

D) Energy is always transferred to heat

Question 15: Which of the following is true about an image formed by a concave mirror when the object is at the focal point?

A) The image is real, inverted, and magnified

B) The image is virtual, upright, and diminished

C) The image is real, inverted, and of the same size

D) No image is formed

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Total Questions Attempted: 0

Correct Answers: 0

Wrong Answers: 0

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