SaraNextGen Study App [2022-23]
Last Updated On 23-10-2022 - By Sara

The elevation of an object on a hill is observed from a certain point in the horizontal plane through its base, to be . After walking 120 m towards it on level ground the elevation is found to be . Then the height of the object (in metres) is

a)

120

b)

c)

d)

60


Question ID - 50356 :-

The elevation of an object on a hill is observed from a certain point in the horizontal plane through its base, to be . After walking 120 m towards it on level ground the elevation is found to be . Then the height of the object (in metres) is

a)

120

b)

c)

d)

60

1 Answer
5876 Votes
3537

Answer Key : (b) -

(b)

In

   …(i)

and in ,

  …(ii)

From Eqs. (i) and (ii), we get,

On putting  in Eq.(i), we get



Next Question :

Which of the following statements about specific heat of a body is/are correct?

1. It depends upon mass and shape of the body

2. It is independent of mass and shape of the body

3. It depends only upon the temperature of the body

Select the correct answer using the code given below:

(a)

1 only

(b)

2 and 3

(c)

1 and 3

(d)

2 only


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