Basics to Engineering

When light passes from one medium to another medium, which one of the following does not change?

• Velocity

• Intensity

• Wavelength

• Frequency

What is the standard size of an A3 sheet?

• 297 x 420

• 279 x 420

• 297 x 402

• 279 x 402

Lux is unit of which physical quantity?

• Luminance

• illumination

• luminonus intensity

• luminonus flux

The unit of Sound is

• Hertz

• decibel

• frequency

• Wave number

What is the sum of interior angle of hexagon? (in degree)

• 720

• 360

• 120

• 180

Which of the following elements of electrical engineering cannot be analyzed using Ohm’s law?

• Capacitor

• Resistor

• Inductor

• Transistor

What is the surface temperature of Sun? (in K)

• 6000

• 2000

• 20000

• 18000

What is the SI unit of Work done?

• Joule

• Newton Meter

• Celcius

• None of the above