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The angle made by the tangent and the ra...

The angle made by the tangent and the radius made at the point of contact is

A

`0^(@)`

B

`45^(@)`

C

`90^(@)`

D

`75^(@)`

Text Solution

Verified by Experts

The correct Answer is:
C
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Knowledge Check

  • When a liquid is in contact with a solid the angle between the surface of the solid and the tangent drawn to the surface of the liquid at the point of contact , measured in the side of the liquid is

    A
    acute angle
    B
    obtuse angle
    C
    angle of contact for liquid pair
    D
    solid angle

  • When a liquid is in contact with a solid , the angle between the surface of the solid and the tangent drawn to the surface of the liquid at that point of contact , measured on the side of the liquid , is called .

    A
    acute angle
    B
    obtuse angle
    C
    angle of contact
    D
    solid angle .

  • The angle made by the tangent to the curve x=a(theta + sin theta cos theta),y=a(1+ sin theta)^(2) wutg X-axis is

    A
    `(pi)/(4)+(theta)/(2)`
    B
    `(pi)/(4)-(theta)/(2)`
    C
    `(pi)/(2)+(pi)/(2)`
    D
    `(pi)/(2)-(theta)/(2)`

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    What is the angle between the two tangents drawn from an external point to a circle and the angle subtended by the line-segment joining the points of the contact at the centre.

    Prove that the angle between the two tangents drawn from an external point to a circle is supplementary to the angle subtended by the line segments joining the points of contact at the centre.

    Prove that the angle between the two tangents drawn from an external point to a circle is supplementary to the angle subtended by the line-segment joining the points of contact at the centre.

    Prove that the angle between two tangents drawn from an external point to a circle is supplementary to the angle subtended by the line segments joining the points of contact at the centre.

    Two uniform circular discs, each of mass 1kg and radius 20cm , are kept in contant about the tangent passing through the point of contact. Find the moment of inertia of the system about the tangent passing through the point of contact.

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