Physics NABTEB exam past questions and answers

Physics NABTEB exam past questions and answers

Here they are;

Question: What is the SI unit of electric charge?

a) Ampere (A)

b) Coulomb (C)

c) Volt (V)

d) Ohm (Ω)

Answer: b) Coulomb (C)

Question: According to Newton's third law of motion, for every action, there is an equal and opposite:

a) Force

b) Acceleration

c) Reaction

d) Momentum

Answer: c) Reaction

Question: Which of the following is a fundamental particle with a negative charge?

a) Proton

b) Neutron

c) Electron

d) Photon

Answer: c) Electron

Question: What does the acronym "LASER" stand for?

a) Light Amplification by Stimulated Emission of Radiation

b) Long-range Atomic Spectrum Emission and Reflection

c) Laser Amplification through Specialized Energetic Resonance

d) Light Absorption by Selective Electron Reflection

Answer: a) Light Amplification by Stimulated Emission of Radiation

Question: In the electromagnetic spectrum, which type of radiation has the highest frequency?

a) Radio waves

b) Microwaves

c) X-rays

d) Gamma rays

Answer: d) Gamma rays

Question: What is the law of conservation of energy?

a) Energy cannot be created

b) Energy cannot be destroyed

c) Energy can be transformed from one form to another

d) All of the above

Answer: d) All of the above

Question: Which planet is known as the "Red Planet"?

a) Venus

b) Mars

c) Jupiter

d) Saturn

Answer: b) Mars

Question: What is the formula for calculating the force exerted by a spring?

a) F = ma

b) F = kx

c) F = pV

d) F = G(m1m2/r^2)

Answer: b) F = kx

Question: What is the unit of measurement for frequency?

a) Hertz (Hz)

b) Watts (W)

c) Joules (J)

d) Tesla (T)

Answer: a) Hertz (Hz)

Question: According to the theory of relativity, as an object's speed approaches the speed of light, its:

a) Mass decreases

b) Mass increases

c) Mass remains constant

d) Volume decreases

Answer: b) Mass increases

Question: Which law states that the total pressure exerted by a mixture of gases is equal to the sum of the partial pressures of individual gases?

a) Boyle's law

b) Charles's law

c) Dalton's law

d) Gay-Lussac's law

Answer: c) Dalton's law

Question: What is the unit of power?

a) Watt (W)

b) Joule (J)

c) Newton (N)

d) Volt (V)

Answer: a) Watt (W)

Question: What is the phenomenon where a wave bends as it passes from one medium to another?

a) Reflection

b) Diffraction

c) Refraction

d) Interference

Answer: c) Refraction

Question: Which particle is responsible for carrying the electromagnetic force?

a) Photon

b) Gluon

c) W boson

d) Z boson

Answer: a) Photon

Question: What is the primary function of an optical lens?

a) To magnify objects

b) To produce colors

c) To focus or diverge light

d) To block light

Answer: c) To focus or diverge light

Question: According to Archimedes' principle, an object submerged in a fluid experiences a buoyant force equal to the:

a) Weight of the fluid displaced

b) Volume of the fluid displaced

c) Density of the fluid displaced

d) Acceleration of the fluid displaced

Answer: a) Weight of the fluid displaced

Question: What is the unit of electrical resistance?

a) Ampere (A)

b) Ohm (Ω)

c) Volt (V)

d) Watt (W)

Answer: b) Ohm (Ω)

Question: Which law states that the total energy of an isolated system remains constant over time?

a) Law of Conservation of Mass

b) Law of Conservation of Energy

c) Law of Conservation of Momentum

d) Law of Universal Gravitation

Answer: b) Law of Conservation of Energy

Question: What is the SI unit of magnetic flux?

a) Tesla (T)

b) Weber (Wb)

c) Gauss (G)

d) Ampere (A)

Answer: b) Weber (Wb)

Question: What is the speed of light in a vacuum?

a) 300,000 km/s

b) 150,000 km/s

c) 500,000 km/s

d) 1,000,000 km/s

Answer: a) 300,000 km/s