Class 10 Sources Of Energy CBSE Questions & Answers

Class 10 · Sources Of Energy

Class 10 Sources of Energy CBSE Questions & Answers. There are 15 questions in this test with each question having around four answer choices.

Questions & Answers

1
Which of the following is the conventional sources of energy
  • A
    None of these
    Correct
  • B
    Biomass, Nuclear energy
  • C
    Solar, wind energy
  • D
    Geothermal energy, wind energy
2
How many number of neutrons are released in a fission of U – 235?
  • A
    4.0
  • B
    2.0
  • C
    3.0
    Correct
  • D
    1.0
3
A solar water heater cannot be used on
  • A
    a windy day
  • B
    a sunny day
  • C
    a cloudy day
    Correct
  • D
    a hot day
4
What fraction of total electrical power produced in India generated by nuclear reactors?
  • A
    \({4 \over {100}}\)
  • B
    \({3 \over {25}}\)
  • C
    \({3 \over {100}}\)
    Correct
  • D
    \({5 \over {75}}\)
5
Find the calorific value of carbon in following equation \(C + {o_2}{\rm{ }} \to {\rm{ C}}{{\rm{o}}_{\rm{2}}}{\rm{ + 394 kj}}\)
  • A
    1482 kj
  • B
    394 kj
    Correct
  • C
    none of these
  • D
    \({\rm{394}} \times {\rm{2}}\) kj
6
Which of the following is not an example of a biomass energy source?
  • A
    Gobar gas
  • B
    Wood
  • C
    Coal
  • D
    Atomic energy
    Correct
7
Which country is called the “country of winds”
  • A
    Denmark
    Correct
  • B
    United kingdom
  • C
    India
  • D
    Germany
8
Artificial satellites and space probes mainly depend upon which source of energy
  • A
    Tidal energy
  • B
    Geothermal energy
  • C
    solar energy
    Correct
  • D
    Wind energy
9
Thermal power plant uses energy from
  • A
    Biogas, LPG
  • B
    Coal, petroleum
    Correct
  • C
    Solar energy, water
  • D
    All of the above
10
Nuclear power corporation (NPC) is situated in
  • A
    Tarapore in Maharashtra
    Correct
  • B
    Bokaro in Jharkhand
  • C
    Nepanagar
  • D
    None of these
11
Which has a lowest ignition temperature-
  • A
    LPG
    Correct
  • B
    Kerosene
  • C
    Petrol
  • D
    Diesel
12
The glass cover used in a solar cooker, help us to have the _________ effect in it.
  • A
    White house.
  • B
    Black house
  • C
    Green house
    Correct
  • D
    Blue house
13
An alpha particle is nothing but a
  • A
    Hydrogen atom
  • B
    Helium atom
  • C
    Helium nucleus.
    Correct
  • D
    Lithium atom
14
Which component of sunlight facilitates the drying of clothes?
  • A
    All of these
  • B
    Ultraviolet light
  • C
    Visible light
  • D
    Infrared light
    Correct
15
When a toy bus is driven by a winding key, we have a trans formation of ___________ energy into ___________ energy.
  • A
    electrical energy, kinetic energy
  • B
    Potential energy, kinetic energy
    Correct
  • C
    Wind energy, Kinetic energy
  • D
    chemical energy, electrical energy