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65 questions JAMB 2483 WAEC 1904 NECO 322 CUSTOM 10

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Past Questions

65 questions

Question 1 of 20 65 total questions

Question 1

jamb 2015

An alternating current with a frequency of 100HZ has a period of

A0.03sec

B0.01sec

C0.04sec

D0.15sec

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Question 2

jamb 2015

Momentum and Kinetic energy are conserved in

AInelastic collision

BElastic collision

CExplosion

DSpacecraft

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Question 3

jamb 2015

The property of a body to remain at rest or to continue to move in a straight line is known as

Aforce

BImpulse

CEnergy

DInertia

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Question 4

jamb 2015

The normal temperature of human body is record at what ranges?

A27°C to 43°C

B30°C to 40°

C98.4°C only

DBetween 35°C to 37°C

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Question 5

jamb 2015

In an inelastic collision

I. Energy is conserved
II. Energy is decreased
III. Energy is increased
IV. Linear momentum conserved

AI only

BII and IV only

CII only

DIII only

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Question 6

jamb 2015

Which of the following instrument is most accurately for comparing electromotive force (e.m.f) of two cells?

AVoltmeter

BMeter rule

CGalvanometer

DPotentiometer

View Explanation & Discuss

Question 7

jamb 2015

When a man moves toward a plane mirror at a speed of 6m/s, the distance the man and his image increased at a speed of?

A2 m/s

B4 m/s

C12 m/s

D14 m/s

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Question 8

jamb 2015

Volatile liquids usually

AHave high boiling points

Bhave low boiling points

Chave high densities

Dhave high melting points

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Question 9

jamb 2015

Efficiency of a transformer is equal to

AEfficiency of transformer = (secondary coil ÷ primary coil) × 100%

BEfficiency of transformer = (mechanical advantage ÷ velocity ratio) × 100%

CEfficiency of a transformer = (Number of turns in the secondary coil ÷ Number of turns in the primary coil) × 100%

DEfficiency of a transformer = (power developed in the secondary coil ÷ power supplied to the primary coil) × 100%

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Question 10

jamb 2015

Which one of the following is a vector quantity?

ATemperature gradient

BMass

CWork

DTime

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Question 11

jamb 2015

The eyeball consists of a round tough white skin called

ASclerotic

BChoroid coal

COptical fiber

DAccommodation

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Question 12

jamb 2015

The net movement of solvent molecules from a region of high solvent potential to a region of lower solvent potential through a partially or semi permeable membrane is refer to as

ADiffusion

BOsmosis

CSurface tension

DCohesion

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Question 13

jamb 2015

A regular spacing or arrangement of atoms in a crystalline material is called

AOrbit

BLattice

CAtomic structure

DEnergy level

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Question 14

jamb 2015

Heat transfer by convection will take place in one the following substance.

AStone

BWood

CMercury

DWater

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Question 15

jamb 2015

The r.m.s value of a supply voltage is quoted at 200v. What is the approximate peak value of the voltage?

A200volts

B300volts

C283volts

D250volts

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Question 16

jamb 2015

A good electric cell should have the following except

AA minimum of polarization effect

BA long life

CA cheap and safe electrolytes

DCost and dangerous of the cell

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Question 17

jamb 2015

The dimension of universal gravitational constant is……….?

A\( M^{–1}L^3 T^{–2} \)

BML³T²

CML³

DMLT^-2

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Question 18

jamb 2015

What is the S.I unit of relative density?

Akg m^-2

Bkg m²

Ckg cm³

Dhas no S.I unit

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Question 19

jamb 2015

If a projectile has maximum range of 36m, find the speed of projection (Take g = 9.8m/s2)

A19m/s

B2m/s

C4m/s²

D7m/s²

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Question 20

jamb 2015

Neutron were discovered by

AJ.J. Thompson

BJames Chadwick

CMichael faraday

DDalton

View Explanation & Discuss

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