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JEE Exam  >  JEE Tests  >  QUIZ 2:calorimetry,thermometry,thermal Expansion(#free Test Series) - JEE MCQ

QUIZ 2:calorimetry,thermometry,thermal Expansion(#free Test Series) - JEE MCQ


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15 Questions MCQ Test - QUIZ 2:calorimetry,thermometry,thermal Expansion(#free Test Series)

QUIZ 2:calorimetry,thermometry,thermal Expansion(#free Test Series) for JEE 2024 is part of JEE preparation. The QUIZ 2:calorimetry,thermometry,thermal Expansion(#free Test Series) questions and answers have been prepared according to the JEE exam syllabus.The QUIZ 2:calorimetry,thermometry,thermal Expansion(#free Test Series) MCQs are made for JEE 2024 Exam. Find important definitions, questions, notes, meanings, examples, exercises, MCQs and online tests for QUIZ 2:calorimetry,thermometry,thermal Expansion(#free Test Series) below.
Solutions of QUIZ 2:calorimetry,thermometry,thermal Expansion(#free Test Series) questions in English are available as part of our course for JEE & QUIZ 2:calorimetry,thermometry,thermal Expansion(#free Test Series) solutions in Hindi for JEE course. Download more important topics, notes, lectures and mock test series for JEE Exam by signing up for free. Attempt QUIZ 2:calorimetry,thermometry,thermal Expansion(#free Test Series) | 15 questions in 20 minutes | Mock test for JEE preparation | Free important questions MCQ to study for JEE Exam | Download free PDF with solutions
QUIZ 2:calorimetry,thermometry,thermal Expansion(#free Test Series) - Question 1
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A body of mass 5 kg falls from a height of 30 metre. If its all mechanical energy is changed into heat, then heat produced will be [CPMT 1975]

QUIZ 2:calorimetry,thermometry,thermal Expansion(#free Test Series) - Question 2
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 0.93 watt-hour of energy is supplied to a block of ice weighing 10 gm. It is found that [NCERT 1973; DPMT 1999]

Detailed Solution for QUIZ 2:calorimetry,thermometry,thermal Expansion(#free Test Series) - Question 2
  • Energy supplied =0.93×3600joules  = 3348 joules                                  Heat required to melt 10 gms of ice                    

    =10×80×4.18=3344 joules

     Hence block of ice just melts.
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QUIZ 2:calorimetry,thermometry,thermal Expansion(#free Test Series) - Question 3
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 The weight of a person is 60 kg. If he gets 105 calories heat through food and the efficiency of his body is 28%, then upto how much height he can climb (approximately) [AFMC 1997]

QUIZ 2:calorimetry,thermometry,thermal Expansion(#free Test Series) - Question 4
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Water falls from a height of 210m. Assuming whole of energy due to fall is converted into heat the rise in temperature of water would be (J = 4.3 Joule/cal) [Pb. PMT 2002]
Detailed Solution for QUIZ 2:calorimetry,thermometry,thermal Expansion(#free Test Series) - Question 4

https://doubtnut.com/question-answer-physics/water-at-bhakra-dam-falls-through-a-height-of-210-m-assuming-that-the-whole-of-the-energy-due-to-fal-17464072

QUIZ 2:calorimetry,thermometry,thermal Expansion(#free Test Series) - Question 5
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Triple point of water is [CPMT 2002]
QUIZ 2:calorimetry,thermometry,thermal Expansion(#free Test Series) - Question 6
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When a bimetallic strip is heated, it [CBSE PMT 1990]
Detailed Solution for QUIZ 2:calorimetry,thermometry,thermal Expansion(#free Test Series) - Question 6

     A bimetallic strip on being heated bends in the form of an arc with more expandable metal (A) outside (as shown) correct.

QUIZ 2:calorimetry,thermometry,thermal Expansion(#free Test Series) - Question 7
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 A solid ball of metal has a concentric spherical cavity within it. If the ball is heated, the volume of the cavity will [AFMC 1997; Orissa PMT 2004]
Detailed Solution for QUIZ 2:calorimetry,thermometry,thermal Expansion(#free Test Series) - Question 7

  When the ball is heated, expansion of ball and cavity both occurs, hence volume of cavity increases.

QUIZ 2:calorimetry,thermometry,thermal Expansion(#free Test Series) - Question 8
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If the length of a cylinder on heating increases by 2%, the area of its base will increase by [CPMT 1993; BHU 1997]
QUIZ 2:calorimetry,thermometry,thermal Expansion(#free Test Series) - Question 9
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 Ratio among linear expansion coefficient a, areal expansion coefficient b and volume expansion coefficient g is [RPMT 2000]
QUIZ 2:calorimetry,thermometry,thermal Expansion(#free Test Series) - Question 10
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 A cylindrical metal rod of length L0 is shaped into a ring with a small gap as shown. On heating the system   
Detailed Solution for QUIZ 2:calorimetry,thermometry,thermal Expansion(#free Test Series) - Question 10

    On heating the system; x, r, d all increases, since the expansion of isotropic solids is similar to true photographic enlargement.

*Answer can only contain numeric values
QUIZ 2:calorimetry,thermometry,thermal Expansion(#free Test Series) - Question 11
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The water equivalent of a 400 g copper calorimeter (specific heat=0.1cal/g∘C) (in gm)

*Answer can only contain numeric values
QUIZ 2:calorimetry,thermometry,thermal Expansion(#free Test Series) - Question 12
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A copper block of mass 2.5 kg is heated in a furnace to a temperature of 500∘Cand then placed on large ice block. The maximum amount (in kg) of ice that can melt is (Specific heat of copper =0.39Jg-1∘C-1, latent heat of fusion of water=335Jg-1)

*Answer can only contain numeric values
QUIZ 2:calorimetry,thermometry,thermal Expansion(#free Test Series) - Question 13
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 The temperatures of equal masses of three different liquids A, B and C are12ºC, 19ºCand 28ºCrespectively, the temperature when A and B are mixed is 16ºCand when B and C are mixed is 23ºC, what would be the temperature when A and C are mixed? (in ºC)(answer in two digit rounded off after decimal)

QUIZ 2:calorimetry,thermometry,thermal Expansion(#free Test Series) - Question 14
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Assertion : A brass disc is just fitted in a hole in a steel plate. The system must be cooled to loosen the disc from the hole. Reason : The coefficient of linear expansion for brass is greater than the coefficient of linear expansion for steel.
Detailed Solution for QUIZ 2:calorimetry,thermometry,thermal Expansion(#free Test Series) - Question 14

  Linear expansion for brass         (19×10-4)>linear expansion for steel (11×10-4). On cooling the disk shrinks to a greater extent than the hole and hence it will get loose

QUIZ 2:calorimetry,thermometry,thermal Expansion(#free Test Series) - Question 15
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Assertion : Two bodies at different temperatures, if brought in thermal contact do not necessary settle to the mean temperature.

Reason : The two bodies may have different thermal capacities.
Detailed Solution for QUIZ 2:calorimetry,thermometry,thermal Expansion(#free Test Series) - Question 15
  •    When two bodies at temperature T1
     and T2 are brought in thermal contact, they do settle to the mean temperature (T1+T2)/2
    . They will do so, in case the two bodies were of same mass and material i.e., same thermal capacities. In other words, the two bodies may be having different thermal capacities, that?s why they do not settle to the mean temperature, when brought together.
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