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

If a parallelogram with area P, a rectangle with area R and a triangle with area T are all constructed on eth same base and all have the same altitude, then which of the following statements is false?

(a)

P = R

(b)

P + T = 2R

(c)

P = 2T

(d)

T =  R


Question ID - 50169 :-

If a parallelogram with area P, a rectangle with area R and a triangle with area T are all constructed on eth same base and all have the same altitude, then which of the following statements is false?

(a)

P = R

(b)

P + T = 2R

(c)

P = 2T

(d)

T =  R

1 Answer
5876 Votes
3537

Answer Key : (b) -

Let each base =  height =

 

Then, P =  R = , T =

 

So, P = R, P = 2T and T =  are all correct statements.



Next Question :

The Carrot engines A and B are operated in series.  The first one, A receives heat at T1(=600 K) and rejects to a reservoir at temperature T2.  The second engine B receives heat rejected by the first engine and, in turn, rejects to a heat reservoir at T­3(=400K).  Calculate the temperature T2 if the work outputs of the two engines are equal:

a.

400k

b.

600K

c.

500K

d.

300K


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