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100 questions JAMB 2483 WAEC 1904 NECO 322 CUSTOM 10

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100 questions

Question 1 of 20 100 total questions

Question 21

waec 2006

Which of the following quantities is a vector?

Aspeed

Bdistance

Cenergy

Dmomentum

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Question 22

waec 2006

A car accelerates uniformly from rest at 5 ms^-2. Determine its speed after 10s

A50.0ms^-1

B25.0ms^-1

C2.0ms^-1

D0.5ms^-1

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Question 23

waec 2006

Uniform speed occurs when there is equal change of

Adistance in equal times

Bdisplacement in equal times

Cvelocity in equal times

Dacceleration in equal times

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Question 24

waec 2006

A moving car of mass 800 kg experiences a frictional force of 200N. If it accelerates 2 ms^-2, calculate the magnitude of the force applied to the car

A600N

B1000N

C1600N

D1800N

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Question 25

waec 2006

A body is rotating in a horizontal circle of radius 2.5m with an angular speed of 5 rad s-1. Calculate the magnitude of the radial acceleration of the body

A62.50ms^-2

B31.25ms^-2

C12.50ms^-2

D10.00ms^-2

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Question 26

waec 2006

An object is said to undergo oscillatory motion when it moves

Ain an erratic manner

Bto and fro about a fixed point

Cin a circular path

Dalong a continuous path from the starting point

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Question 27

waec 2006

A solid body will float in a liquid if its

Adensity is less than that of a liquid

Bmass is equal to that of the liquid

Cdensity is greater than that of the liquid

Dmass is less than that of the liquid

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Question 28

waec 2006

A block of volume 3 x 10⁵m³ and density 2.5 x 10³ kg m^-3 is suspended from a spring balance with \(\frac{2}{3}\) of its volume immersed in a liquid of density 900 kg m^-3. Determine the reading of the spring balance [g = 10ms^-2]

A0.18N

B0.57N

C0.75n

D0.93N

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Question 29

waec 2006

Which of the following physical quantities are derived? i. Area ii. Thrust iii. Pressure iv. Mass

Ai, ii, iii and iv

Bi, ii and iii only

Ci, ii and iv only

Di and iii only

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Question 30

waec 2006

Which of the following phenomena causes capillary of liquids in tubes of narrow bore?

Aviscosity

Bsurface tension

Cosmosis

Dbrownian motion

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Question 31

jamb 2006

When the base current of a common-emitter transistor is kept at zero, it operates in the

Aactive-on region

Bbreakdown region

Csaturation region

Dcut-off region.

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Question 32

jamb 2006

Use the figures above to answer the question below

Which of the following diagrams represents correctly an n-p-n transistor?

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Question 33

jamb 2006

Use the diagram above to answer the question below.

Which of the following diagrams represents the magnetic field of two isolated unlike poles

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Question 34

jamb 2006

The frequency of the wave in the diagram above is

A0.17 Hz

B0.25 Hz

C1.57 Hz

D1.05 Hz

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Question 35

jamb 2006

A progressive wave equation is represented by y = a sin(150 πt - \(\frac{πx}{4}\)). if the phase difference of a progressive wave is 45°, the value of x in the equation is

A3 cm

B4 cm

C1 cm

D2 cm

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Question 36

jamb 2006

An engine of a car of power 80 kW moves on a rough road with a velocity of 32 m\(s^-1\). The forces required to bring it to rest is

A2.56 x 10⁶N

B2.50 x 10⁶N

C2.80 x 10³N

D2.50 x 10³N

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Question 37

jamb 2006

A shooter wants to fire a bullet in such a way that its horizontal range is equal to three times its maximum height. At the what angle should he fire the bullet to achieve this?

A68^o

B53^o

C30^o

D45^o

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Question 38

jamb 2006

In a gas experiment, if the volume of the gas is plotted against the reciprocal of the pressure, the unit of the slope of the resulting curve is

Aforce

Btemperature

Cpower

Dwork

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Question 39

jamb 2006

A mirror of weight 75N is hung by a cord from a hook on the wall. If the cord makes an angle of 30o with horizontal, the tension in the cord is

A100N

B1500N

C250N

D150N

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Question 40

jamb 2006

In the diagram above, the pressure of the gas is

A86 cm of mercury

B66 cm of mercury

C96 cm of mercury

D76 cm mercury

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