Banner 0
Banner 1
Banner 2
Banner 3
Banner 4
Banner 5
Banner 6
Banner 7
Banner 8
Banner 9

Q.

If lifeguard sitting outside a swimming pool observes a boy drowning in water, in which direction he has to travel with Maximum possible speeds in air and water to reach the boy in shortest time

see full answer

High-Paying Jobs That Even AI Can’t Replace — Through JEE/NEET

🎯 Hear from the experts why preparing for JEE/NEET today sets you up for future-proof, high-income careers tomorrow.
An Intiative by Sri Chaitanya

a

along shortest path from his initial position to boy

b

parallel to bank of the pool on ground and normal to it to reach the boy.

c

along the path followed by a refracted light ray from his position to the boy.

d

along any path of his choice

answer is C.

(Unlock A.I Detailed Solution for FREE)

Best Courses for You

JEE

JEE

NEET

NEET

Foundation JEE

Foundation JEE

Foundation NEET

Foundation NEET

CBSE

CBSE

Detailed Solution

As per the Fermat's principle of least time, the time taken to move from one point to another is minimum for the path taken by light.
Watch 3-min video & get full concept clarity

courses

No courses found

score_test_img

Get Expert Academic Guidance – Connect with a Counselor Today!

whats app icon