A positive electric charge:
Attracts other positive charge
Repels other positive charge
Attract a neutral charge
Repels a neutral charge
In SI the unit of charge is:
Joule
Volt
Coulomb
Watt
In totally reflecting prism one angle is of:
45°
90°
180°
120°
An object gains excess negative charge after being rubbed against another object, which is:
Neutral
Negatively charged
Positively charged
Either, a, b or c
In totally reflecting prism one angle is of 90°, and other two angles are of:
30°,30°
45°,90°
45°,45°
40°,40°
The output of a NAND gate is 0 when:
Both of its inputs are 0
Both of its inputs are 1
Any of its inputs is 0
Any of its inputs is 1
The angle at which prism deviates the incident ray is called:
Angle of incident
Angle of reflection
Angle of deviation
Angle of minimum deviation
