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(A): A bird perches on a high power line...

(A): A bird perches on a high power lines and nothing happends to the bird.
(R ): The level of bird is very high from the ground.

A

Both .A. and .R. are true and .R. is the correct explanation of .A.

B

Both .A. and .R. are tru and .R. is not the correct explanation of .A.

C

A. is true and .R. is false

D

A. is false and .R. is true

Text Solution

Verified by Experts

The correct Answer is:
C
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Knowledge Check

  • Assertion: A bird perches on a high power line and nothing happens to the bird. Reason : Bird's body is a bad conductor of current.

    A
    Both Assertion and Reason are true and Reason is the correct explanation of Assertion
    B
    Both Assertion and Reason are true and Reason is not the correct explanation of Assertion
    C
    Assertion is true and Reason is false
    D
    Assertion is false and Reason is false

  • (A): A person touching a high power line sets stuck with the line. (R): The current carrying wire attract the man towards it.

    A
    Both 'A' and 'R' are true and 'R' is the correct explanation of 'A'
    B
    Both 'A' and 'R' are true and 'R' is not the correct explanation of 'A'
    C
    'A' is true and 'R' is false
    D
    'A' is false and 'R' is false

  • A bird is perched on the top of a tree 20 mts high and its elevation from the point on the ground is 45^(@) . It flies off horizontally straight away from the observer and in one second the elevation of the bird is reduced to 30^(@) . The speed of the bird is

    A
    `14.64m//s`
    B
    `16.4m//w`
    C
    `12.64m//s`
    D
    `15.64m//s`

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