WBJEE · Physics · Thermal Properties of Matter
In which of the following phenomena, the heat waves travel along straight lines with the speed of light?
- A Thermal conduction
- B Forced convection
- C Natural convection
- D Thermal radiation
Answer & Solution
Correct Answer
(D) Thermal radiation
Step-by-step Solution
Detailed explanation
Thermal radiation is the heat waves travel along straight lines with the speed of light.
See the Complete Solution
Get step-by-step explanations for this and 2.5 Lakh+ more JEE, NEET & CET questions.
- Unlock all solutions
- Practice the full chapter
- Track accuracy across PYQs
4.8 rated on Google Play · 14,000+ reviews
More questions from Physics
- A photon of wavelength 300 nm interacts with a stationary hydrogen atom in ground state. During the interaction, whole energy the photon is transferred to the electron of the atom. State which possibility is correst. (Consider, Plank constant \(=4 \times 10^{-15} eV_{s},\) velocity of light \(=3 \times 10^{8} \mathrm{m} / \mathrm{s},\) ionisation energy of hydrogen \(=13.6 \mathrm{eV}\) )WBJEE 2015 Hard
-

Consider the P-V diagram for 1 mole of an ideal monatomic gas shown in the figure. Which of the following statements is/are true?WBJEE 2021 Medium - A horizontal fire hose with a nozzle of cross-sectional arca \(\frac{5}{\sqrt{21}} \times 10^{-3} \mathrm{m}^{2}\) delivers a cubic metre of water in 10 s. What will be the maximum possible increase in the temperature of water while it hits a rigid wall (neglecting the effect of gravity)?WBJEE 2019 Medium
- A particle with charge \(q\) moves with a velocity \(v\) in a direction perpendicular to the directions of uniform clectric and magnetic ficlds, \(E\) and \(B\) respectively, which are mutually perpendicular to each other. Which one of the following gives the condition for which the particle moves undeflected in its original trajectory?
WBJEE 2019 Easy - Consider two concentric spherical metal shells of radii \(r_{1}\) and \(r_{2}\left(r_{2}>r_{1}\right)\). If the outer shell has a charge \(q\) and the inner one is grounded, the charge on the inner shell isWBJEE 2014 Easy
-

Two infinite line-charges parallel to each other are moving with a constant velocity \(v\) in the same direction as shown in the figure. The separation between two line-charges is \(d\). The magnetic attraction balances the electric repulsion when, [c = speed of light in free space]WBJEE 2022 Medium
More PYQs from WBJEE
- If \(x=1+\frac{1}{2 \times 1 !}+\frac{1}{4 \times 2 !}+\frac{1}{8 \times 3 !}+\ldots\) and
\(y=1+\frac{x^{2}}{1 !}+\frac{x^{4}}{2 !}+\frac{x^{6}}{3 !}+\ldots\)
Then, the value of loge \(y\) isWBJEE 2013 Medium - Which of the following arrangements is correct in respect of solubility in water?WBJEE 2016 Medium
- For the reaction \(S O_2+\frac{1}{2} O_2=S O_3\), if we write \(K_p=K_c(R T)^x\), then \(\mathrm{x}\) becomesWBJEE 2009 Easy
- The coordinates of a moving point \(p\) are \(\left(2 t^2+4,4 t+6\right)\). Then its locus will be aWBJEE 2011 Medium
- If \(z_{1}, z_{2}, z_{3}\) are imaginary numbers such that \(\left|z_{1}\right|=\left|z_{2}\right|=\left|z_{3}\right|=\left|\frac{1}{z_{1}}+\frac{1}{z_{2}}+\frac{1}{z_{3}}\right|=1,\) then
\(\left|z_{1}+z_{2}+z_{3}\right|\) isWBJEE 2016 Medium - Among the alkenes which one produces tertiary bytyl alcohol on acid hydrationWBJEE 2011 Easy