Welcome to your Science Quiz 4
1.
Consider the following: [2010]
- Bluetooth device
- Cordless phone
- Microwave oven
- Wi – Fi device
Which of the above can operate between 2.4 and 2.5 GHz range of radio frequency band?
2.
WIMaX is related to which one of the following? [2009]
3.
Who among the following is considered as the inventor of the World Wide Web (WWW)? [2007]
4.
What does the term Dolby B, or Dolby C, printed on tape recorders and other sound systems refer to? [2006]
5.
Consider the following statements: [2004]
- Smart Card is a plastic card with an embedded microchip.
- Digital technology is primarily used with new physical communication medium such as satellite and fibre optics transmission.
- A digital library is a collection of documents in an organised electronic form available on the Internet only.
Which of the statements given above is/are correct?
6.
The memory of a computer is commonly expressed in terms of Kilobytes or Megabytes. A byte is made up of: [2000]
7.
The world’s fastest computer has been able to perform (as of Dec. 1996): [1997]
8.
With reference to radioisotope thermoelectric generators (RTGs), consider the following statements:
- RTGs are miniature fission reactors.
- RTGs are used for powering the onboard systems of spacecrafts.
- RTGs can use Plutonium-238, which is a by-product of weapons developments.
Which of the statements given above are correct? [2024]
9.
Consider the following statements:
Statement-I: Giant stars live much longer than dwarf stars.
Statement-II: Compared to dwarf stars, giant stars have a greater rate of nuclear reactions.
Which one of the following is correct in respect of the above statements? [2024]
10.
Consider the following aircraft:
- Rafael
- MiG-29
- Tejas MK-1
How many of the above are considered fifth-generation fighter aircraft? [2024]
