Physics MCQs
1. The degree of hotness or coldness
of an object is expressed in terms of:
a) Heat
capacity b) Heat
c) Temperature d) Heat energy
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2. Which of the following properties
of matter is used in the construction of a thermometer:
a) Expansion
of matter on heating b) Change of color with temperature
c) Increase
of resistance with rise of temperature d) All of these
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3. Mercury is used in
mercury-in-glass thermometer as a thermometric substance because:
a) It does
not wet the capillary tube walls b) It is opaque
c) Its
expansion is uniform over a wide range of temperature
d) All of above
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4. Two fixed points used for the
temperature scales are:
a) The
temperature of freezing and boiling mercury
b) The
temperature of melting ice and boiling water
c) The
temperature of water at 0oC and 100oC d)
None of these
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5. In liquid-in-glass thermometer,
the thermometric property used is:
a) Thermal
expansion b) Color change on heating
c) Resistance
change on heating d) None of these
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6. The lower and upper fixed points
on Celsius (centigrade) scale are taken to be:
a) 0o
and 212o b) 32o and 273o
c) 0o
and 100o d) None of these
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7. A Celsius (centigrade) degree is
greater than a Fahrenheit degree by:
a) 5/9 b) 9/5
c) 18/5 d) 9/10
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8. The Centigrade and Fahrenheit
scales have the same reading at:
a) 40o b) 140o
c) -140o d) -40o
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9. The relationship between Celsius
and Fahrenheit scales temperature is:
a) Fo
= 9/5 Co - 32 b) Fo = 9/5 Co + 32
c) Co
= 9/5 Fo + 32 d) None of these
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10. The temperature of a normal human
body is 98.6 Fo. This temperature corresponds to:
a) 20 Co b) 30 Co
c) 37 Co d) 66.6 Co
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11. The temperature of normal human body
is 37 Co. On Kelvin scale, it is equal to:
a) 373 Ko b) 273 Ko
c) 310 Ko d) 236 Ko
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12. One degree of centigrade scale is
equal to:
a) 1o
of Fahrenheit b) 1.8o of Fahrenheit
c) 32o
of Fahrenheit d) 3o of Fahrenheit
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13. 10 Co corresponds to:
a) 273o K b) 283o K
c) 263o K d) 100o K
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14. The temperature of absolute zero
corresponds to:
a) -273 Co b) 273 Co
c) 0 Co d) 20 Co
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15. What temperature on Fahrenheit scale
corresponds to absolute zero?
a) 212o
F b) 32o F
c) -32o
F d) -460o F
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16. One Calorie is equal to:
a) 41.8 J b) 4.18 J
c) 18.4 J d) 4.35 J
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17. SI unit of heat energy is:
a) Calorie b) B.T.U.
c) Joule d) Kilo-Calorie
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