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JEE Main 201419 AprilOnline
Exam
JEE Main
Year
2014
Date
19 April
Mode
Online
Subject
Physics
Chapter
Gravitation

JEE Main 2014 · 19 April · Online · Physics · Gravitation

Match List ‐ I (Event) with List ‐ II (Order of the time interval...

Match List‐I‐ I (Event) with List‐II‐ II (Order of the time interval for the happening of the event) and select the correct option from the options given below the lists.

List-I List-II
(a)( a ) The rotation period of earth (i)( i ) 105s{10}^{5}s
(b)( b ) Revolution period of earth (ii)( ii ) 107s{10}^{7}s
(c)( c ) Period of a light wave (iii)( iii ) 10−15s{10}^{- 15}s
(d)( d ) Period of a sound wave (iv)( iv ) 10−3s{10}^{- 3}s

Options

  1. A(a)‐(i)( a ) ‐ ( i ), (b)‐(ii)( b ) ‐ ( ii ), (c)‐(iii)( c ) ‐ ( iii ), (d)‐(iv)( d ) ‐ ( iv )
  2. B(a)‐(ii)( a ) ‐ ( ii ), (b)‐(i)( b ) ‐ ( i ), (c)‐(iii)( c ) ‐ ( iii ), (d)‐(iv)( d ) ‐ ( iv )
  3. C(a)‐(i)( a ) ‐ ( i ), (b)‐(ii)( b ) ‐ ( ii ), (c)‐(iv)( c ) ‐ ( iv ), (d)‐(iii)( d ) ‐ ( iii )
  4. D( a ) ‐ ( ii ),,( b ) ‐ ( i ),,( c ) ‐ ( iv ),(d)‐(iii), \left(d\right) ‐ ( iii )

Correct answer

A. (a)‐(i)( a ) ‐ ( i ), (b)‐(ii)( b ) ‐ ( ii ), (c)‐(iii)( c ) ‐ ( iii ), (d)‐(iv)( d ) ‐ ( iv )

Step-by-step solution

The duration of the day 86400s≃105s86400s ≃ {10}^{5}s

revolution period 365days≃107s365days ≃ {10}^{7}s

For the light of λ=6000\lambda = 6000 A0{A}^{0}, time period≃10−15s≃ 1{0}^{- 15}s and

for the sound wave time period≃10−3s≃ 1{0}^{- 3}s

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