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50 questions JAMB 2483 WAEC 1904 NECO 322 CUSTOM 10

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50 questions

Question 1 of 10 50 total questions

Question 21

waec 2024

The law of conservation of momentum is stated for closed and isolated system. What are the two conditions for a system to be closed and isolated?

ANo external force acts on the system and there is no change in mass of the system.

BNo external force acts on the system and there is a gain in mass.

CNo external force acts on the system and there is a loss in mass.

DAn external force acts on the system and there is no change in mass.

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Question 22

waec 2024

A body moves with uniform velocity when the resultant force on it is

Agreater than the frictional force acting on it

Bless than the frictional force acting on it

Cequal to zero

Dequal to unity

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Question 23

waec 2024

The function of a fuse in an electric circuit is to

Abreak the circuit when the current exceeds a certain value

Bsave energy by reducing voltage

Censure that the current in the circuit exceeds a certain value

Dsave energy by reducing the current

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Question 24

waec 2024

A ray of light travels from a less dense medium to a denser medium. How are the speed and frequency of the light affected? The speed

AIncreases and the frequency increases

Bdecreases and the frequency decreases

Cincreases and the frequency remains the same

Ddecreases and the frequency remains the same

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Question 25

waec 2024

The diagram above illustrates the motion of a cyclist from P to R. The distance travelled is determined by the

Aarea under QR

Barea under PQR

Cgradient of PQR

Dgradient of QR

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Question 26

waec 2024

The capacitance of a parallel plate capacitor

Adecreases when the temperature between the plates decreases

Bincreases when the potential difference between the plates is increased

Cis greater without a dielectric between the plates than with dielectric

Dis greater with dielectric between the plates than without dielectric.

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Question 27

waec 2024

What are cathode rays?

AStream of electrons

BBeam of neutrons

CBeam of protons

DStream of alpha particles

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Question 28

waec 2024

In which of the following states is MAXIMUM pressure exerted on a person

AStanding on two feet

BStanding on one foot

CLying on the floor

DKneeling on the floor

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Question 29

waec 2024

The magnitude of the acceleration of a moving object is equal to the

Agradient of a displacement-time graph

Bgradient of a velocity-time graph

Carea below a force-time graph

Darea below a velocity-time graph

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Question 30

waec 2024

The vacuum and silvered wall surfaces of a vacuum flask walls are respectively

Aminimize conduction and convection and prevent radiation

Bprevent conduction and convection and minimize radiation

Cprevent conduction and minimize convection and radiation

Dminimize convection and prevent conduction and radiation

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