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  1. Asked: In:

    Find and correct the errors in the following mathematical statement: x + 2x +3x = 5x

    Tanushi

    Get Hindi Medium and English Medium NCERT Solution for Class 8 Maths to download Please visit To website https://www.tiwariacademy.com/ncert-solutions/class-8/maths/chapter-14/

    Get Hindi Medium and English Medium NCERT Solution for Class 8 Maths
    to download Please visit To website
    https://www.tiwariacademy.com/ncert-solutions/class-8/maths/chapter-14/

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  2. Asked: In:

    The rainfall (in mm) in a city on 7 days of a certain week was recorded as follows: (i) Find the range of the rainfall in the above data. (ii) Find the mean rainfall for the week. (iii) On how many days was the rainfall less than the mean rainfall?

    Tanushi

    Get Hindi Medium and English Medium NCERT Solution for Class 7 Maths to download Please visit To website https://www.tiwariacademy.com/ncert-solutions/class-7/maths/chapter-3/

    Get Hindi Medium and English Medium NCERT Solution for Class 7 Maths
    to download Please visit To website
    https://www.tiwariacademy.com/ncert-solutions/class-7/maths/chapter-3/

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  3. Asked: In:

    What is the shape of the wavefront in each of the following cases: (a) Light diverging from a point source. (b) Light emerging out of a convex lens when a point source is placed at its focus. (c) The portion of the wavefront of light from a distant star intercepted by the Earth.

    Tanushi

    Get Hindi Medium and English Medium NCERT Solution for Class 12 Social Science to download Please visit to website https://www.tiwariacademy.com/ncert-solutions/class-12/physics/chapter-10/

    Get Hindi Medium and English Medium NCERT Solution for Class 12 Social Science
    to download Please visit to website
    https://www.tiwariacademy.com/ncert-solutions/class-12/physics/chapter-10/

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  4. Asked: In:

    At what angle should a ray of light be incident on the face of a prism of refracting angle 60° so that it just suffers total internal reflection at the other face? The refractive index of the material of the prism is 1.524.

    Tanushi

    Get Hindi Medium and English Medium NCERT Solution for Class 12 Social Science to download Please visit to website https://www.tiwariacademy.com/ncert-solutions/class-12/physics/chapter-9/

    Get Hindi Medium and English Medium NCERT Solution for Class 12 Social Science
    to download Please visit to website
    https://www.tiwariacademy.com/ncert-solutions/class-12/physics/chapter-9/

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  6. Asked: In:

    A small bulb is placed at the bottom of a tank containing water to a depth of 80 cm. What is the area of the surface of water through which light from the bulb can emerge out? Refractive index of water is 1.33. (Consider the bulb to be a point source.)

    Tanushi

    Get Hindi Medium and English Medium NCERT Solution for Class 12 Social Science to download Please visit to website https://www.tiwariacademy.com/ncert-solutions/class-12/physics/chapter-9/

    Get Hindi Medium and English Medium NCERT Solution for Class 12 Social Science
    to download Please visit to website
    https://www.tiwariacademy.com/ncert-solutions/class-12/physics/chapter-9/

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    • 2