GENERAL SCIENCE CLASS 8 MCQS

The electricity from a cell is called:

1. Direct Current (DC)
2. Alternating Current (AC)
3. Electric Potential (EP)
4. Electric Resistance (ER)

The unit of electric resistance is:

1. Volts (V)
2. Ohms (Ω)
3. Amps (A)
4. Watts (W)

IC stands for:

1. Insulated Cable
2. Intelligent Chip
3. Integrated Circuit
4. Internal Component

Silicon is an example of:

1. Conductor
2. Insulator
3. Resistor
4. Semiconductor

Sputnik-1 was the first manmade spacecraft, which was launched on October 4, 1957 by the:

1. Soviet Union
2. United States of America
3. China
4. Great Britain

How many lenses are present in refracting telescope:

1. Five lenses
2. Three lenses
3. Four lenses
4. Two lenses

A Refracting telescope consists of:

1. A primary mirror and A secondary mirror
2. A primary lens and A secondary lens
3. A primary lens and A secondary mirror
4. A primary mirror and A secondary lens

A Reflecting telescope consists of:

1. A primary lens and A secondary lens
2. A primary lens and A secondary mirror
3. A primary and A secondary mirror
4. A primary mirror and A secondary lens

An optical instrument used to measure the properties of visible light is called:

1. Spectroscope
2. Telescope
3. Microscope
4. Binoculars

The set of colours obtained in seven different colours components way is called:

1. Rainbow
2. Spectrum of Light
3. Dispersion
4. Prism