Test Index

JEE Advanced 2014 Paper 1

© examsnet.com

Question : 15

Total: 60

To find the distance d over which a signal can be seen clearly in foggy conditions, a railways engineer uses dimensional analysis and assumes that the distance depends on the mass density ρ of the fog, intensity (power/area) S of the light from the signal and its frequency f. The engineer finds that d is proportional to S

.The value of n is

Your Answer:

Go to Question:

Prev Question

Next Question