Which law of motion states that an object at rest tends to stay at rest, and an object in motion tends to stay in motion with the same speed and in the same direction unless acted upon by an external force?
A) Newton’s First Law
B) Newton’s Second Law
C) Newton’s Third Law
D) Newton’s Law of Gravitation
What is the SI unit of electric current?
A) Volts
B) Watts
C) Ampere
D) Ohms
According to the theory of relativity, which famous equation relates energy (E) and mass (m)?
A) E = mc2
B) E=mv
C) E=hf
D) E=PT
What is the SI unit of electric charge?
A) Ampere
B) Ohm
C) Volt
D) Coulomb
Which law of motion states that for every action, there is an equal and opposite reaction?
A) Newton’s First Law
B) Newton’s Second Law
C) Newton’s Third Law
D) Newton’s Law of Universal Gravitation
What is the SI unit of electrical resistance?
A) Ohm
B) Watt
C) Joule
D) Volt
What is the phenomenon where a wave changes direction as it passes from one medium to another at an angle due to a change in speed?
A) Refraction
B) Reflection
C) Diffraction
D) Interference
What is the SI unit of energy?
A) Newton
B) Watt
C) Joule
D) Volt
Which fundamental force of nature is responsible for the attraction between objects with mass and is described by Newton’s law of universal gravitation?
