Physics MCQs for Class 9 with Answers Chapter 7

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Physics MCQs for Class 9 with Answers


On Celsius scale, temperature 300 K will be:
26°C
25°C
24°C
27°C

Celsius temperature is converted into Fahrenheit temperature using the formula
F = 1.8 C + 32
F = 1.8 C – 32
F = 1.4 C + 32
F = 1.4C – 32

In how many division Fahrenheit scale is divided?
100
273
180
50

___________ specific heat of water is benefits in sustaining life.
High
Low
Medium
None

Which of the following is produced in refrigerators by evaporation of a liquefied gas?
Heating
Cooling
Freezing
Melting

SI unit of temperature is.
Fahrenheit
Centigrade
Kelvin
All of these

The unit of co-efficient of linear expansion :
K
K-1
Jkg-1 K-1
None of these

Specific heat of water is how many times greater than that of dry soil?
two times
three time
four times
five times

What will be the value of β for a solid for which α has a value of 2 x 10-5 C-1
2 x 10-5 K-1
6 x 10-5 K-1
8 x 10-15 K-1
8 x 10-5 K-1

Evaporation takes place from liquid :
Everywhere
Above surface only
Below surface only
Middle of liquid

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