SAT - Science - Physics - Sources of Energy

Question - 1

When was India's first critical nuclear reaction carried out?

  • A December 1941
  • B December 1964
  • C January 1950
  • D March 1970

Question - 2

Which of the following facilitates Sun-drying of wheat after harvesting?

  • A Gamma rays
  • B IR rays
  • C UV rays
  • D X-rays

Question - 3

In India, uranium is found in

  • A Madhya Pradesh
  • B Uttar Pradesh
  • C Odisha
  • D Bihar

Question - 4

Liquified petroleum gas mainly contains

  • A Methane
  • B Butane
  • C Propane
  • D Ethene

Question - 5

In addition to visible light, which other type of radiations are emitted by a 100 W bulb; when it is glowing?

  • A Red light
  • B Violet light
  • C IR rays
  • D None of these

Question - 6

The first nuclear reactor set up in India was at

  • A Rana Pratap Sagar
  • B Kalpakkam
  • C Trombay
  • D Tarapur

Question - 7

At the present rate of consumption, our total oil reserves would last for

  • A 10-12 years
  • B 12-15 years
  • C 50-60 years
  • D 20-25 years

Question - 8

What is the normal power rating of a compact fluorescent lamp (CFL)?

  • A 25 Watt
  • B 15 Watt
  • C 40 Watt
  • D 50 Watt

Question - 9

The difference in the concentration of salts in water of two different seas is called

  • A ocean current
  • B Salinity gradient
  • C oceanography
  • D nuclear fission

Question - 10

Wood is a

  • A Primary fuel
  • B liquid fuel
  • C processed fuel
  • D secondary fuel
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