If the temperature of the sun were to be increased from T to 2T and its radius from R to 2R, then the ratio of the radiant energy received on the earth to what it was previously will be (a) 4 (b) 16 (c) 32 (d) 64
Added by Yash G.
Step 1
** Show more…
Show all steps
Your feedback will help us improve your experience
Labs
Want to see this concept in action?
Explore this concept interactively to see how it behaves as you change inputs.
Key Concepts
Recommended Videos
If the temperature of the sun was to increase from $T$ to $2 T$ and its radius from $R$ to $2 R$, then the ratio of the radiant energy received on earth to what it was previously will be (A) 4 (B) 16 (C) 32 (D) 64
If the distance $d$ between the sun and the earth decreases, the earth's average temperature $T$ will go up. The fraction of the power radiated by the sun that is received on earth is proportional to $\frac{1}{d^{2}} ;$ the power radiated by the earth is proportional to $T^{4}$ (a) Deduce the dependence of the temperature $T$ of the earth on the distance $d$ (b) Hence estimate the expected rise in temperature if the distance decreases by $1.0 \% .$ Take the average temperature of the earth to be $288 \mathrm{K}$
Energy, power and climate change
The greenhouse effect and global warming
The surface temperature of the sun is ' $T$ K and the solar constant for a plate is ' $s$ '. The sun subtends an angle $\theta$ at the planet. Then:(a) $s \propto T^{i}$ (b) $s \propto T^{2}$ (c) $s \propto \theta^{2}$ (d) $s \propto \theta$
Recommended Textbooks
University Physics with Modern Physics
Physics: Principles with Applications
Fundamentals of Physics
Transcript
Watch the video solution with this free unlock.
EMAIL
PASSWORD