Q.

A person in a lift is holding a water jar, which has a small hole at the lower end of its side. When the lift is at rest, the water jet coming out of the hole hits the floor of the lift at a distance of 1.2  m  from  the  person.  In  the  following,  state  of  the  lift’s  motion  is  given  in  List  I  and  the distance where the water jet hits the floor of the lift is given in List II. Match the statements from List I with those in List II and select the correct answer using the code given below the list.

List I

List II

P. Lift is accelerating vertically up

1. d=1.2m

Q. Lift is accelerating vertically down with an acceleration less than the gravitational acceleration

2. d>1.2m

R. Lift is moving vertically up with constant speed

3. d<1.2m

S. Lift is falling freely

4. No water leaks out of the jar

see full answer

Start JEE / NEET / Foundation preparation at rupees 99/day !!

21% of IItians & 23% of AIIMS delhi doctors are from Sri Chaitanya institute !!
An Intiative by Sri Chaitanya

a

P2 Q3 R2 S4  

b

P2 Q3 R1 S4

c

P1 Q1 R1 S4

d

P2 Q3 R1 S1

answer is C.

(Unlock A.I Detailed Solution for FREE)

Ready to Test Your Skills?

Check your Performance Today with our Free Mock Test used by Toppers!

Take Free Test

Detailed Solution

h1=height of water above the hole h2=height of water below the hole

(P)  geff>g, d=4h1h2=1.2m

(Q)  geff<g, d=4h1h2=1.2m

(R) geff=g, d=4h1h2=1.2m

(S) geff=0, No water leaks out of the jar.

 

Watch 3-min video & get full concept clarity
score_test_img

Get Expert Academic Guidance – Connect with a Counselor Today!

whats app icon