Thermodynamics JEE Advanced Questions. We covered all the Thermodynamics JEE Advanced Questions in this post for free so that you can practice well for the exam.
Install our MCQTUBE Android app from the Google Play Store and prepare for any competitive government exams for free.
These types of competitive MCQs appear in the exams like UPSC, State PCS, CDS, NDA, Assistant Commandant, SSC, Railway, Bank, Delhi Police, UPSSC, and other Competitive Examinations, etc. We created all the competitive exam MCQs into several small posts on our website for your convenience.
You will get their respective links in the related posts section provided below.
Related Posts:
- Periodic Table JEE Mains Questions
- Organic Chemistry JEE Mains Questions
- Surface Chemistry JEE Mains Questions
Mock Test on Thermodynamics for Students
Which of the following law states that good absorbers of heat are good emitters?
(a) Stefan’s Law
(b) Kirchhoff’s Law
(c) Planck’s Law
(d) Wien’s Law
Option b – Kirchhoff’s Law
When red glass is heated in a dark room it will seem
(a) green
(b) purple
(c) black
(d) Yellow
Option a – green
The blackboard seems black because it
(a) reflects every color.
(b) does not reflect any color.
(c) absorbs black color.
(d) reflects black color.
Option b – does not reflect any color
Consider the following statements. Assertion (A) Light-coloured clothes are preferred in summer. Reason (R) Light colors are poor absorbers of heat. Select the correct answer from the codes given below.
(a) Both A and R are true and R is the correct explanation of A.
(b) Both A and R are true, but R is not the correct explanation A
(c) A is true, but R is false
(d) A is false, but R is true
Option a – Both A and R are true and R is the correct explanation of A
According to Newton’s Law of Cooling the rate of cooling of a body is proportional to the
(a) temperature of the body.
(b) the temperature of the surroundings
(c) the fourth power of the temperature of the body.
(d) the difference in the temperature of the body and the surrounding.
Option d – the difference in the temperature of the body and the surrounding
A hot body cools from 90°C to 75°C in 25 seconds. The same body in further cooling from 75°C to 60°C will take how much time?
(a) 25 seconds
(b) Less than 25 seconds
(c) More than 25 seconds
(d) Nothing can be said
Option c – More than 25 seconds
The amount of radiation emitted by a perfectly black body is proportional to
(a) temperature on the ideal gas scale.
(b) fourth root of temperature.
(c) the fourth power of temperature.
(d) the square root of temperature on the ideal gas scale.
Option c – the fourth power of temperature
The relation between the color and the temperature of a star is given by
(a) Wien’s Displacement Law
(b) Planck’s Law
(c) Hubble’s Law
(d) Fraunhofer’s Diffraction Law
Option a – Wien’s Displacement Law
The brightness of a star depends on its
(a) size and temperature.
(b) size and distance from the Earth
(c) size, temperature, and mass
(d) size, temperature, and distance from the Earth.
Option a – size and temperature
The silvering in the thermo flask is done to avoid heat transfer by
(a) convection
(b) conduction
(c) Both (a) and (b)
(d) radiation
Option d – radiation
Which one of the following statements regarding a thermo flask is not correct?
(a) The walls of the flask are separated by a vacuum and made of glass which is a poor conductor of heat.
(b) The glass walls themselves have shiny surfaces.
(c) The surface of the inner wall radiates a good amount of heat and the surface of the outer wall absorbs some of the heat that is radiated from the inner wall.
(d) The cork supports are poor conductors of heat.
Option c – The surface of the inner wall radiates a good amount of heat and the surface of the outer wall absorbs some of the heat that is radiated from the inner wall
The total amount of radiant energy emitted per unit area of a surface per second is called
(a) the emissive power of that surface.
(b) absorptive power of that surface.
(c) electric power of that surface.
(d) None of the above
Option a – the emissive power of that surface
Which of the following is the example of an ideal black body?
(a) Kajal
(b) Blackboard
(c) A pinhole in a box
(d) None of the above
Option c – A pinhole in a box
A perfect black body is one whose emissive power is
(a) maximum
(b) zero
(c) unity
(d) minimum
Option c – unity
Which of the following does not require a medium?
(a) Radiation
(b) Convection
(c) Conduction
(d) None of the above
Option a – Radiation
Which one of the following processes is not a part of long-wave radiation?
(a) Conduction
(b) Scattering
(c) Convection
(d) Radiation
Option a – Conduction
In which of the following phenomena do heat waves travel along a straight line with the speed of light?
(a) Thermal conduction
(b) Thermal convection
(c) Thermal radiation
(d) Both (a) and (c)
Option c – Thermal radiation
Why are dewdrops not formed on a cloudy night?
(a) Clouds absorb the radiation released from the Earth’s surface.
(b) Clouds reflect back the Earth’s radiation.
(c) The Earth’s surface would have low temperatures on cloudy nights.
(d) Clouds deflect the blowing wind to ground level.
Option b – Clouds reflect back the Earth’s radiation
Clear nights are colder than cloudy nights because of ………
(a) conduction
(b) condensation
(c) radiation
(d) insulation
Option c – radiation
Radiations coming from the sun are mostly in the form of
(a) light only.
(b) light and long-wavelength infrared.
(c) light and short-wavelength infrared
(d) Both short and long-wavelength infrared.
Option b – light and long-wavelength infrared
Transfer of heat by convection can take place in
(a) solids and liquids.
(b) solids and vacuum.
(c) gases and liquids.
(d) vacuum and gases.
Option c – gases and liquids
A liquid remains hot or cold for a long time in a thermos flask because there is no loss or gain of heat by
(a) conduction
(b) convection and radiation
(c) Both (a) and (b)
(d) None of the above
Option c – Both (a) and (b)
We covered all the thermodynamics jee advanced questions above in this post for free so that you can practice well for the exam.
Check out the latest MCQ content by visiting our mcqtube website homepage.
Also, check out:
