Physics
Grade-7
Easy

Question

Which of the following does not require a medium for propagation?
(a) Sound waves
(b) Light waves
(c) Water waves

  1. (b) and (c) are correct
  2. (a), (b) and (c) are correct
  3. (a) and (b) are correct
  4. Only (b)

hintHint:

Only (b)

The correct answer is: Only (b)


    light waves, being electromagnetic waves, do not require any kind of medium to propagate.

    Related Questions to study

    Grade-7
    Physics

    In which of the following medium waves can be generated?

    In which of the following medium waves can be generated?

    PhysicsGrade-7
    Grade-7
    Physics

    Which of the following is carried by waves from one place to another?

    Which of the following is carried by waves from one place to another?

    PhysicsGrade-7
    Grade-7
    Physics

    Mechanical waves cannot travel through:

    Mechanical waves cannot travel through:

    PhysicsGrade-7
    parallel
    Grade-7
    Physics

    A wave:

    A wave:

    PhysicsGrade-7
    Grade-7
    Physics

    Energy can be transferred through:

    Energy can be transferred through:

    PhysicsGrade-7
    Grade-7
    Physics

    Continuous vibrations at the source create:

    Continuous vibrations at the source create:

    PhysicsGrade-7
    parallel
    Grade-7
    Physics

    In which of the following media can non-mechanical waves travel?

    In which of the following media can non-mechanical waves travel?

    PhysicsGrade-7
    Grade-7
    Physics

    ___________ waves can be observed.

    ___________ waves can be observed.

    PhysicsGrade-7
    Grade-7
    Physics

    In a medium, mechanical wave travel. With the wave, which of the following quantities is moved from one point to another?

    In a medium, mechanical wave travel. With the wave, which of the following quantities is moved from one point to another?

    PhysicsGrade-7
    parallel
    Grade-7
    Physics

    We can ______.

    We can ______.

    PhysicsGrade-7
    Grade-7
    Physics

    A pulse is a wave:

    A pulse is a wave:

    PhysicsGrade-7
    Grade-7
    Physics

    A wave carries an ______.

    A wave carries an ______.

    PhysicsGrade-7
    parallel
    Grade-7
    Physics

    Repeated periodic disturbances create:

    Repeated periodic disturbances create:

    PhysicsGrade-7
    Grade-7
    Physics

    When we throw a stone in a pond _________ is/are generated.

    When we throw a stone in a pond _________ is/are generated.

    PhysicsGrade-7
    Grade-7
    Biology

    Predators are more likely to target ___________ birds in a species.

    Predators are more likely to target ___________ birds in a species.

    BiologyGrade-7
    parallel

    card img

    With Turito Academy.

    card img

    With Turito Foundation.

    card img

    Get an Expert Advice From Turito.

    Turito Academy

    card img

    With Turito Academy.

    Test Prep

    card img

    With Turito Foundation.