Question

2x-1/3≤2 1/2, x€W
please answer​

Answer 1

Answer:

Temperature of iron ball= 40

0

C

Temperature of water in mug = 40

0

C

Solution: As the iron ball and the water in the mug has the same temperature, so there will be no heat flow from ball to the water or vice versa.

As, heat flow is the result of the temperature difference.

Hence the correct option is (B)

hope it helps you

Answer 2

Answer:

binoculars Optical device, used with both eyes simultaneously, which produces a magnified image of a distant object or scene. It consists of a pair of identical telescopes, one for each eye, both containing an objective lens, an eyepiece lens, and an optical system (usually prisms), to form an upright image ...