The minimum value of angle of deviation is called:
Minimum angle
Incident angle
Angle of minimum deviation
None of these
The cathode ray oscilloscope consists of main parts:
Two
Three
Four
Five
A converging lens becomes a magnifying glass when an object is placed:
Outside of focal length
Inside the focal length
Equal of focal length
At double of focal length
Two uncharged objects a and b are rubbed against each other. When object b is placed near a negatively charged object c, the two objects repel each other. Which of these statements is true about object a:
Remains uncharged
Becomes positively charged
Becomes negatively charged
Unpredictable
