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Physics Past Questions

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45 questions JAMB 2483 WAEC 1904 NECO 322 CUSTOM 10
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45 questions
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Question 1 of 5 45 total questions
Question 21
jamb 1982

The tyre pressure of a car was found to be 150cmHg in the morning at a temperature of 27°C. Hard driving in the afternoon raised the temperature of the tyres to 57°C. The tyre pressure had by the afternoon was?

Aincreased by 15.0cm Hg
Bdecreased by 15.0cm Hg
Cincreased by 22.50cm
Ddecreased by 22.50cm Hg
Eremained constant
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Question 22
jamb 1982
When equal weights of iron and water are subjected to equal supply of heat, it is found that the piece of iron become more hotter than water after a short time because
Athe specific heat of iron is higher than that of water
Biron is in solid form
Cwater is in liquid form
Dthe specific heat of water is higher than that of iron
Ethe specific heat of iron is infinite
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Question 23
jamb 1982

One of the following readings represents the measurement of the length of a metal rod using vernier callipers, Taking the reading accuracy into consideration, the most likely one is

A5.15cm
B5.165cm
C5.0cm
D5.160cm
E5cm
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Question 24
jamb 1982
A man stands on a spring scale placed in a lift. The lift descends at constant velocity. As a result, the scale reads a weight
Agreater than the weight of the man
Bthe same as the weight of the man
Cof zero
Dless than the weight of the man
Egreater than the weight of the man by 1kg
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Question 25
jamb 1982
The hatch door of a submarine has an area of 0.5m2. The specific gravity of sea water is 1.03. Assume that g = 10ms-1,and neglect the atmospheric pressure. The force exerted by the sea water on the hatch door at a depth of 200m is
A1.03 x 105N
B1.03 x 104Nm-2
C1.06 x 105Nm-2
D2.06 x 106N
E1.03 x 103N
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