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Information and communication technology
Class 10 · Physics · 4 questions
Name: ____________________ Date: ____________
ICT stands for:
- A Internal Circuit Test
- B Information and Communication Technology
- C Internet Control Terminal
- D Information Code Transfer
Radio waves used in communication are a type of:
- A Water waves
- B Electromagnetic waves
- C Seismic waves
- D Sound waves
Satellites orbiting at about 36000 km that appear fixed above a point are called:
- A Geostationary satellites
- B Weather balloons
- C Space probes
- D Polar satellites
Which of these is used to carry signals as light pulses?
- A Coaxial cable only
- B Rubber tube
- C Copper wire
- D Optical fibre
Answer key
1. B, 2. B, 3. A, 4. D
ICT is Information and Communication Technology.
Radio waves are electromagnetic and can travel through a vacuum.
Geostationary satellites orbit once per day and stay above the same spot.
Optical fibres carry data as light by total internal reflection.