Skip to content

+91 87932 47779

Email Us

Online Support

+91 87932 47779

Email Us At
- vgyanhubpune@gmail.com
- vgyanhubdhule@gmail.com

Menu

Email Us At
- vgyanhubpune@gmail.com
- vgyanhubdhule@gmail.com

Menu

Home
About Us
Courses
Knowledge Base
Events
Testimonials
Contact Us

Home
About Us
Courses
Knowledge Base
Events
Testimonials
Contact Us

Menu

Home
About Us
Courses
Knowledge Base
Events
Testimonials
Contact Us

Try Out Our Free Tests

qUESTIONS

black body at 227°C radiates heat at the rate of 7 cal/cm² s. At a temperature of 727°C, the rate of heat radiated in the same units will be

A hot metallic sphere of radius r radiates heat. It’s rate of cooling is

Which of the following law states that “good absorbers of heat are good emitters

For monoatomic gas work done at constant pressure is ‘W’. For the same rise in temperature of the gas, the heat supplied at constant volume is

If ‘E’ is the kinetic energy per mole of an ideal gas and T is the absolute temperature, then the universal gas constant is given as

If R is universal gas constant then the amount of heat needed to raise the temperature of 2 moles of an ideal monoatomic gas from 273 K to 373 K when no work done is

The molar specific heat at constant pressure of an ideal gas is 7/2 R. The gas is made up of molecules which are (R = gas constant)

A black sphere has radius ‘R’ whose rate of radiation is ‘E’ R at temperature ‘T”. If radius is madeR/3 and temperature ‘3T the rate of radiation will be

Two solid spheres of radii R1 and R2 made of same material and have similar surfaces. The spheres are raised to the same temperature and then allowed to cool under identical conditions. Assuming spheres to be perfect conductors of heat, then the ratio of initial rates of cooling are

For a perfectly black body, the graph is plotted between the frequency of radiation with maximum intensity (Vm) and the absolute temperature T. Out of the following which is the correct graph

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46

vgyanlogo

Access To All Courses from VgyanHub

Popular Courses

12th Physics | Maharashtra State Board | Full Course
Physics | JEE Main | Full Course
Physics | NEET | Full Course

Company

Home
About Us
Courses
Testimonials
Knowledge Base

Need Some Help?

Contact Us

© Copyright 2024 VgyanHub & Designed by PanGrow Tech Pvt. Ltd.