Home
Class 11
PHYSICS
How does energy from the sun, which is a...

How does energy from the sun, which is an essential requirement for life on earth, reach us ?

Promotional Banner

Topper's Solved these Questions

  • ELECTRIC CURRENT THROUGH CONDUCTORS

    CHETANA PUBLICATION|Exercise EXERCISE|183 Videos

  • ELECTROSTATICS

    CHETANA PUBLICATION|Exercise EXERCISE|163 Videos

Similar Questions

Explore conceptually related problems

Why energy is essential in different life processes?

How is energy obtained from cooking gas ?

The mean distance of Mars from the sun in 1.524 times that of the Earth from the sun. Find the number of years requires for Mars make one revolution about the Sun.

What is the source of energy for the life in deep ocean tranches where sunligh does not reach?

Oral Work : How does the heat of the sun reach us?

The period of revolution of planet A round from the sun is 8 times that of B. The distance of A from the sun is how many times greater then tht of B from the sun ?

Answer the given question orally: From where does plants obtain nitrogen which is essential for synthesis of proteins?

Define ionization energy. Name the factors on which ionisation energy depends? How does it vary down the group and across a period?

CHETANA PUBLICATION-ELECTROMAGNETIC WAVES AND COMMUNICATON SYSTEM-EXERCISE
  1. Which types of waves are used in different Electronic gadgets?

    Text Solution

    |

  2. How does energy from the sun, which is an essential requirement for li...

    Text Solution

    |

  3. What are the different sources from which we get EM waves in day to da...

    Text Solution

    |

  4. What is displacement current?

    Text Solution

    |

  5. What is the achievement of H. Hertz regarding EM waves?

    Text Solution

    |

  6. What was Sir Jagdish Chandra Bose contribution towards EM waves?

    Text Solution

    |

  7. For what work was Nobel prize in 1909 in Physics awarded to G. Marconi...

    Text Solution

    |

  8. State few laws relating electric and magnetic fields.

    Text Solution

    |

  9. What are EM waves?

    Text Solution

    |

  10. What are the direction of electric field, magnetic field and direction...

    Text Solution

    |

  11. What is the source of EM waves?

    Text Solution

    |

  12. Can we produce a pure electric or magnetic waves in space? Why?

    Text Solution

    |

  13. How are EM waves produced?

    Text Solution

    |

  14. Does an ordinary electric lamp emit EM waves?

    Text Solution

    |

  15. State the mathematical expression for electric field and magnetic fiel...

    Text Solution

    |

  16. State characteristics of an EM wave.

    Text Solution

    |

  17. Write the formula for velocity of EM waves in vacuum and in given medi...

    Text Solution

    |

  18. Write the formula for intensity of a wave in EM waves.

    Text Solution

    |

  19. Calculate the frequency in MHz of a radio wave of wavelength 250 m. Re...

    Text Solution

    |

  20. Calculate the wavelength in nm of an X-ray wave of frequency 2 xx 10^1...

    Text Solution

    |