LDR can act as:
Diode
Switch
Transistor
Rectifier
Which combination forms NAND gate:
AND & OR
AND & NOT
NOT & OR
NAND & NOT
Half of radius of curvature is called:
Focal length
Principal focus
Axis
Aperture
The more negative potential of grid, the more electrons will be:
Attracted
Repelled
Attracted as well as repelled
Neither attracted nor repelled
If a ray of light in glass is incident on an air surface at an angle greater than the critical angle, the ray will:
Refract only
Reflect only
Partially refract and partially reflect
Diffract only
AND operation is represented by:
Dot (.)
Addition (+)
Division (÷)
Minus (-)