भौतिकी भाग 2 (भौतिक विज्ञान) – कक्षा 11 एन. सी. ई. आर. टी. पुस्तक | Bhautik Vigyan Part 2 (Physics) – Class 11th N.C.E.R.T Books

Pustak Kharidein

Pustak Ka Vivaran : kisi thos kee ek nishchit aakrti tatha aakar hota hai. kisi pind kee aakrti athava aakar ko badalane ke lie ek bal ki aavashyakata hoti hai. yadi kisee kundalit spring ke siro ko dheere se kheenchakar vistaarit kiya jae to spring kee lambaee thodee badh jaati hai. ab yadi spring ke siro ko chhod de to vah apanee praarambhik aakrti evan aakaar ko punah praapt kar lete hai………….

Description about eBook : A certain shape of a concrete comes and falls. A force is needed to change the shape or shape of a body. If the stretch of a spiral spring is slowly stretched and stretched, then the length of the spring increases slightly. Now if you leave the spring spray, it will get back to its initial shape and size…………….

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