The diagram above represents the stress-strain graph of a...
The diagram above represents the stress-strain graph of a loaded wire. Which of these statements is correct?
At J, the wire becomes plastic
J is the yield point
L is the elastic limit
At K, the wire breaks
Correct answer is B
- I is the elastic limit
- the end of the constant part J is the yield point
- L is the break point.
Which of the following statements-about electromagnetic waves is not correct? ...
A convex mirror is used as a driving mirror because i. its image is erect. ii. it has a large fi...
A battery of e.m.f 10V and internal resistance 2Ω is connected to a resistance of 6Ω. Calculate ...
A body of mass m moving around a circle of radius r with a uniform speed v&...
Mercury does NOT wet glass because ...
Which of the following statements about magnetic lines of force is not correct? ...
A man on a bench will exert the greatest pressure on the bench when he ...