VMMC-MEDICAL SERIES
Physics

Heat Transfer

2 previous year questions.

Volume: 2 Ques
Yield: Medium

High-Yield Trend

2
2005

Chapter Questions
2 MCQs

01
PYQ 2005
medium
physics ID: vmmc-med
A black body at 200 K is found to exit maximum energy at a wavelength 14 . When its temperature is raised to 1000 K, then wavelength at which maximum energy emitted is :
1
14mm
2
7
3
2.8
4
28 mm
02
PYQ 2005
medium
physics ID: vmmc-med
The ratio of thermal conductivity of two rods of different material is 5 : 4. The two rods of same area of cross-section and same thermal resistance will have the lengths in the ratio :
1
4:05
2
9:01
3
1:09
4
5:04