NEET Physics Thermometer and Thermal Expansion MCQs Set A

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MCQ for Full Syllabus Physics Thermometer and Thermal Expansion

Full Syllabus Physics students should refer to the following multiple-choice questions with answers for Thermometer and Thermal Expansion in Full Syllabus.

Thermometer and Thermal Expansion MCQ Questions Full Syllabus Physics with Answers


Question:  The reading of Centigrade thermometer coincides with that of Fahrenheit thermometer in a liquid. The temperature of the liquid is

a) – 40ºC

b) 313°C

c) 0°C

d) 100°C

Answer: – 40ºC

 

Question:  Expansion during heating

a) generally decreases the density of a material

b) occurs at the same rate for all liquids and solids

c) increases the weight of a material

d) occurs only in solids

Answer:  generally decreases the density of a material

 

Question:  Choose the correct equation for interconversion of temperature scales.

a)

b)

c)

d)

Answer:

 

Question:  Which of the following will expand the most for same rise in temperature?

a) Aluminium

b) Glass

c) Wood

d) All will expand same

Answer: Aluminium

 

Question:

a)

b)

c)

d)

Answer:

 

Question:  The TF versus Tc graph will be a

a) straight line inclined to x-axis

b) parabolic curve

c) straight line parallel to y-axis

d) straight line parallel to x-axis

Answer:  straight line inclined to x-axis

 

Question:  Consider the following statements and select the incorrect statements.
I. Water expands on heating between 0°C & 4°C
II. The density of water is minimum at 4°C
III. Density of water increases on heating above 4°C
IV. Water contracts on heating between 0°C & 4°C

a) I , II and III

b) I and II only

c) III and IV only

d) I, II, III and IV

Answer:  I , II and III

 

Question:

a) remain almost stationary

b) It is difficult to say

c) fall

d) rise

Answer:  remain almost stationary

 

Question:

a)

b)

c)

d)

Answer:

 

Question:  An iron tyre is to be fitted on to a wooden wheel 1m in diameter. The diameter of tyre is 6 mm smaller than that of wheel. The tyre should be heated so that its temperature increases by a minimum of (the coefficient of cubical expansion of iron is 3.6 × 10–5/°C)

a) 500°C

b) 1000°C

c) 334°C

d) 167°C

Answer: 500°C

 

More Questions.............................................

 

Question: Assertion: The triple point of water is a standard fixed point in modern thermometry.
Reason: The triple point of a substance is unique i.e. it occurs at one particular set of values of pressure and temperature

a) Assertion is correct, reason is correct; reason is a correct explanation for assertion.

b) Assertion is correct, reason is correct; reason is not a correct explanation for assertion

c) Assertion is correct, reason is incorrect

d) Assertion is incorrect, reason is correct

Answer: Assertion is correct, reason is correct; reason is a correct explanation for assertion.

 

Question: A metal sheet with a circular hole is heated. The hole

a) gets larger

b) gets smaller

c) remains of the same size

d) gets deformed

Answer: gets larger

 

Question:  A solid ball of metal has a spherical cavity inside it. The ball is heated. The volume of cavity will

a) increase

b) decrease

c) remain unchanged

d) have its shape changed

Answer: increase

 

Question:  On a linear temperature scale Y, water freezes at – 160° Y and boils at – 50° Y. On this Y scale, a temperature of 340 K would be read as : (water freezes at 273 K and boils at 373 K)

a) – 86.3° Y

b) – 73.7° Y

c) – 233.7° Y

d) – 106.3° Y

Answer:  – 86.3° Y

 

Question:  On a linear temperature scale Y, water freezes at – 160° Y and boils at – 50° Y. On this Y scale, a temperature of 340 K would be read as : (water freezes at 273 K and boils at 373 K)

a) – 86.3° Y

b) – 73.7° Y

c) – 233.7° Y

d) – 106.3° Y

Answer: – 86.3° Y

 

Question: A metal sheet with a circular hole is heated. The hole

a) gets larger

b) gets smaller

c) remains of the same size

d) gets deformed

Answer: gets larger

 

Question: Assertion : Water kept in an open vessel will quickly evaporate onthe surface of the moon.
Reason : The temperature at the surface of the moon is much higher than boiling point of the water.

a) Assertion is correct, reason is incorrect

b) Assertion is incorrect, reason is correct.

c) Assertion is correct, reason is correct; reason is not a correct explanation for assertion

d) Assertion is correct, reason is correct; reason is a correct explanation for assertion

Answer:  Assertion is correct, reason is incorrect

 

Question:  A glass flask is filled up to a mark with 50 cc of mercury at 18°C. If the flask and contents are heated to 38°C, how much mercury will be above the mark? (a for glass is 9 × 10 –6/ºC and coefficient of real expansion of mercury is 180 × 10–6/ ºC)

a) 0.153 cc

b) 0.05 cc

c) 0.46 cc

d) 0.85 cc

Answer:  0.153 cc

 

Question:

a) 11 × 10–5 cm shorter

b) 11 × 10–6 cm longer

c) 11 × 10–6 cm shorter

d) 11 × 10–5 cm longer

Answer: 11 × 10–5 cm shorter

  

Question:   Consider the following statements and select the correct statement(s).
I. Water can never be boiled without heating.
II. Water can be boiled below room temperature by lowering the pressure.
III. On releasing the excess pressure water refreezes into ice.

a) II and III

b) II only

c) I only

d) I and II

Answer:  II and III

 

Question:

a) 9 × 10–6/ºC

b) 36 × 10–6/ºC

c) 6 × 10–6/ºC

d) 27 × 10–6/ºC

Answer: 9 × 10–6/ºC

 

Question:  The value of coefficient of volume expansion of glycerine is 5 × 10–4 K–1. The fractional change in the density of glycerine for a rise of 40°C in its temperature, is:

a) 0.020

b) 0.025

c) 0.010

d) 0.015

Answer:  0.020

 

Question:

a)

b)

c)

d)

Answer:

 

Question:

a) c

b) d

c) b

d) a

Answer:  c

 

Question:

a) 2.6 × 10–3/°C

b) 1.3 × 10–3/°C

c) 5.2 × 10–3/°C

d) 0.26 × 10–3/°C

Answer: 2.6 × 10–3/°C

 

Question:  On a new scale of temperature (which is linear) and called the W scale, the freezing and boiling points of water are 39° W and 239° W respectively. What will be the temperature on the new scale, corresponding to a temperature of 39° Con the Celsius scale?

a) 117° W

b) 200° W

c) 139° W

d) 78° W

Answer:  117° W

 

Question:  Two marks on a glass rod 10 cm apart are found to increase their distance by 0.08 mm when the rod is heated from 0°C to 100°C. A flask made of the same glass as that of rod measures a volume of 1000 cc at 0°C. The volume it measures at 100°Cin cc is 

a) 1002.4

b) 1004.2

c) 1006.4

d) 1008.2

Answer:  1002.4

 

Question:  The ratio of the coefficient of volume expansion of a glass container to that of a viscous liquid kept inside the container is 1 : 4. What fraction of the inner volume of the container should the liquid occupy so that the volume of the remaining vacant space will be same at all temperatures?

a) 1 : 4

b) 1 : 64

c) 1 : 8

d) 2 : 5

Answer:  1 : 4

 

Question:

a)

b)

c)

d)

Answer:

 

Question:   A beaker contains 200 gm of water. The heat capacity of the beaker is equal to that of 20 gm of water. The initial temperatue of water in the beaker is 20ºC. If 440 gm of hot water at 92ºC is poured in it, the final temperature, neglecting radiation loss, will be nearest to

a) 58ºC

b) 68ºC

c) 73ºC

d) 78ºC

Answer: 58ºC

 

Question:

a)

b)

c)

d)

Answer:

 

Question:

a)

b)

c)

d) None of these

Answer:

 

Question:  The apparent coefficient of expansion of a liquid when heated in a copper vessel is C and that when heated in a silver vessel is S. If A is the linear coefficient of expansion of copper, then the linear coefficient of expansion of silver is

a)

b)

c)

d) None of these

Answer:

 

Question:

a)

b)

c)

d) None of these

Answer:

 

Question:  The length of a metallic rod is 5 m at 0°C and becomes 5.01 m, on heating upto 100°C. The linear expansion of the metal will be

a) 2.0 × 10–5/°C

b) 6.0 × 10–5/°C

c) 2.33 × 10–5/°C

d) 4.0 × 10–5/°C

Answer: 2.0 × 10–5/°C

 

Question: A pendulum clock is 5 seconds fast at temperature of 15ºC and 10 seconds slow at a temperature of 30ºC. At what temperature does it give the correct time? (take time interval = 24 hours)

a) 22ºC

b) 25ºC

c) 20ºC

d) 18ºC

Answer: 22ºC

 

Question: A solid ball of metal has a spherical cavity inside it. The ball is heated. The volume of cavity will

a) None of these

b) decrease

c) remain unchanged

d) Both

Answer:  None of these

 

Question:  A metal sheet with a circular hole is heated. The hole

a) None of these

b) gets smaller

c) remains of the same size

d) gets deformed

Answer: None of these

 

MCQs for Physics NEET Full Syllabus Thermometer and Thermal Expansion

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