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98 questions JAMB 2483 WAEC 1904 NECO 322 CUSTOM 10

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98 questions

Question 1 of 20 98 total questions

Question 31

jamb 2022

The gravitational pull on the moon is \(\frac{1}{6}\) that of the earth. If a body weighs 6.0 N on the moon, what will be the weight on the earth?

A6.0 N

B5.0 N

C12.0 N

D36.0 N

View Explanation & Discuss

Question 32

jamb 2022

The eclipse of the moon occurs when?

Athe moon reflects the rays from the sun to the earth

Bthe moon comes exactly between the earth and the sun

Cthe earth comes exactly between the moon and the sun

Dthe sun comes exactly between the earth and the moon

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Question 33

jamb 2022

In order to view the sun, the most suitable instrument to use is?

Ahelioscope

Btelescope

Cstroboscope

Dsun meter

View Explanation & Discuss

Question 34

jamb 2022

Which component of fiber-optic connector has a provision of entry for the fibre along with the fixation to connector housing?

Acoupling device

Bcable

Cferrule

Dconnector housing

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Question 35

jamb 2022

In the formation of sea breeze, wind blows from?

Asky to land

Bsea to sky

Cland to sea

Dsea to land

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Question 36

jamb 2022

Which of these is a second-class lever?

Asugar tongs

Bclaw hammer

Cplier

Dwheelbarrow

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Question 37

jamb 2022

Water is not a good thermometric liquid because it?

Aexpands unevenly between 0 ºC and 4 ºC

Bmaintains fixed density

Chas low freezing point

Dwets glass

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Question 38

jamb 2022

A reservoir is filled with liquid of density 2000 kgm\(^{-1}\). Calculate the depth at which the pressure in the liquid will be equal to 9100 Nm\(^{-2}\) (g = 10 ms\(^{-2}\))

A0.262 m

B0.664 m

C0.819 m

D0.455 m

View Explanation & Discuss

Question 39

jamb 2022

The potential energy in an elastic string of force constant k, which has an extension X is?

AkX

BKX\(^{2}\)

C½KX\(^{2}\)

D½K

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Question 40

jamb 2022

The vapour pressure?

Aincreases non-linearly with measuring temperature

Bincreases linearly with increasing temperature

Cdecreases linearly with increasing temperature

Ddecreases non-linearly ith measuring temperature

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Question 41

jamb 2022

For a pear-shaped conductor shown above, the concentration of charge on the outside is highest at?

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Question 42

jamb 2022

A current of 0.5 A flows through a resistor when connected to a 40 V battery. How much energy is dispatched in 2 minutes?

A2400 J

B9600 J

C1500 J

D1200 J

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Question 43

jamb 2022

According to kinetic molecular model in gases,

Athe particles are closely packed together; they occupy minimum space are usually arranged in a regular pattern

Bthe particles vibrate about fixed positions and are held together by the strong intermolecular bonds between them

Cthe molecules are very far apart and occupy all the spaces made available to them

Dthe particles occur in clusters with molecules slightly further apart

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Question 44

jamb 2022

A magnet relay is a device used for?

Areading the magnitude of magnetic flux

Bcontrolling another circuit carrying larger current

Cturning in sports

Dstoring magnetic field

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Question 45

jamb 2022

When the plate area of a capacitor increases?

Athe voltage can withstand increase

Bthe capacitance decreases

Cthe capacitance is unaffected

Dthe capacitance increases

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Question 46

jamb 2022

A tuning fork having a frequency of 312 Hz emits a wave which has a wavelength of 1.10 m. Calculate the velocity of sound

A312.0 ms\(^{-1}\)

B110.0 ms\(^{-1}\)

C343.2 ms\(^{-1}\)

D686.4 ms\(^{-1}\)

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Question 47

jamb 2022

A person standing waist-deep in a swimming pool appears to have short legs because of light?

Adiffraction

Brefraction

Creflection

Dinterference

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Question 48

jamb 2022

The secondary pigments consist of?

Ablue, green, and violet

Byellow, green, and magenta

Cmagenta, yellow, and cyan

Dred, green, and blue

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Question 49

jamb 2022

An isotope has an initial activity of 120 Bq. 6 days later its activity is 15 Bq. The half-life is?

A3 days

B2 days

C1 day

D4 days

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Question 50

jamb 2022

Which of the following liquid is a poor conductor of electricity?

ADistilled water

BTap water

CSea water

DDrinking water

View Explanation & Discuss

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