Back

24.A wire of length 50 cm and cross sectional area of 1 sq. mm is extended by 1 mm. The required work will be

24.A wire of length 50 cm and cross sectional area of 1 sq. mm is extended by 1 mm. The required work will be(Y=2×1010 N/m2)

(a)  6×10-6 J                                              (b)  4×10-6 J

(c)    2×10-6 J                                           (d)  1×10-6 J

Answer-c

(20)

Rate this post

Related Posts:

Powered by Contextual Related Posts

Shilpa

You may also like

12. An ideal gas is taken through the cycle A→ B → C → A, as shown in the figure. If the net heat supplied to the gas in the cycle is 5 J, the work done by the gas in the process C → A is
05/09/2022

(a)      – 5 J (b)  – 10 J (c)   – 15 J (d)  – 20 J Answer-a (118)

11. The P-V diagram of a system undergoing thermodynamic transformation is shown in figure. The work done on the system in going from A → B → C is 50 J and 20 cal heat is given to the system. The change in internal energy between A and C is
05/09/2022

(a)      34 J (b)  70 J (c)   84 J (d)  134 J Answer-d (202)

error: Content is protected !!