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4,719 questions JAMB 2483 WAEC 1904 NECO 322 CUSTOM 10

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4,719 questions

Question 1 of 20 4,719 total questions

Question 661

jamb 2015

Primary colours of light are

ARed, blue and green

BCyan, magneta and yellow

CBlack, blue and green

DNone of these colours

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Question 662

jamb 2015

Mr. F. Abioye observed his image through a plane mirror, kept at a distance 4.7m away from him in his room. At what distance is the image found from Abioye's eye?

A9.4m

B7.5m

C5.7m

D6.9m

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Question 663

jamb 2015

Calculate the gravitation force of attraction between two planets of \(10^{24}\)kg and \(10^{27}\)kg separated by a distance of \(10^{20}\)meters

A6.67N

B6.56N

C7.5N

D8.6N

View Explanation & Discuss

Question 664

jamb 2015

If an object is placed at a height of tem above the ground at a stationary point. It posses what types of energy?

AMechanical energy

BStationary energy

CPotential energy

DVibrational energy

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Question 665

jamb 2015

In which of the following device is the expansion of solid not required?

I. Simple pendulum
II. Fire alarms
III. Thermostat
IV. Bimetallic thermometer

AIII only

BII & III only

CI only

DII, III & IV only

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Question 666

jamb 2015

A vector quantity can only be completely described when ……… and …………are mentioned.

AMagnitude and motion

BMagnitude and direction

CDistance and specified displacement

DMoment and momentum

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Question 667

jamb 2015

The resultant force of a couple is ………?

AInfinity

BZero

COne

DHalf

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Question 668

jamb 2015

Which of the following is not luminous object?

AThe sun

BThe moon

Clight candle

DStar

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Question 669

jamb 2015

A motor boy of a driver saw what seems to appear to be a pool of water a head of him, while his driver drives a new truck on a sunny day. Which of the following explains his observation?

AHe saw a flying objects

BHe must be thinking of water and food

CHe was seeing the shadow of the car

DThe sun ray from the sky were passing from a hot air (layer) to cold layer

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Question 670

jamb 2015

The general gas law can be written as

APV ÷ T = a constant

BPV = a constant

Cv/t = a constant

Dp/T = a constant

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Question 671

jamb 2015

Body floats in fluid when its …………………

ADisplaces its own volume of the liquid (fluid)

BDisplaces its own weight of the fluid

CDisplace its own density of the fluid

DIs no longer subjected to gravity

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Question 672

jamb 2015

In an elastic collision

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

AI only

BI and IV only

CII only

DIII only

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Question 673

jamb 2015

A stroboscope can be used to make the wave appear …………..

AStationary

BIn motion

CDipper

DRipple

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Question 674

jamb 2015

What is the inductance (L) of an inductor whose reactance is 1Ω at 50/ π hertz (H)?

A100 H

B0.01H

C10H

D1H

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Question 675

jamb 2015

The direction of the path taken by light is called

ALocus

BLines

CRay

DBeam

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Question 676

jamb 2015

Boyle’s law may be Written as

AP1V1= P2V2

BV1 = V2 ÷ T1T2

CP1T1 = P2T2

DP1V1 ÷ T1 = P1V1 ÷ T2

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Question 677

jamb 2015

If the volume of a gas is recorded as 76cm3 at a temperature of 27°C with a pressure of 800mmHg. What will be the volume of the gas at S.T.P?

A36.2cm³

B25.7cm³

C72.8cm³

D24.3cm³

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Question 678

waec 2014

An element of nucleon number P and atomic number Q emits an alpha particle from its nucleus. The resultant numbers of the new element formed are respectively

AP - 4 and Q + 2

BP - 4 and Q - 2

CP + 2 and Q + 2

DP + 2 and Q - 2

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Question 679

waec 2014

An aluminum foil is placed across a beam of radiation from a radioactive source. Which of the following types of radiation will be stopped by it?

Aalpha and beta particles

Balpha and gamma particles

Cbeta and gamma particles

Dgamma particles only

View Explanation & Discuss

Question 680

waec 2014

Which of the following statements is the major advantage of nuclear fusion over nuclear fission?

Anuclear fusion releases more energy

Bmore neutrons are released in fusion than in fission

Cfussion does not release as much dangerous radiation as fission

Dfusion reactions occur more readily than fission

View Explanation & Discuss

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