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Physics · JEE | MOTION IN A STRAIGHT LINE

हिन्दी

Given below are two statements: Statement I: Instantaneous speed at an instant is equal to the magnitude of the instantaneous velocity at that instant. Statement II: The sign of acceleration alone determines whether a particle's speed is increasing or decreasing, independent of the direction of velocity.

  1. A
    Both Statement I and Statement II are correct.
  2. B
    Both Statement I and Statement II are incorrect.
  3. C
    Statement I is correct but Statement II is incorrect.
  4. D
    Statement I is incorrect but Statement II is correct.
View Answer & Solution

Correct answer · Option C

Statement I is correct but Statement II is incorrect.

Explanation

Statement I is correct. Statement II is false because speed increases if acceleration is in the direction of velocity and decreases if opposite, depending on coordinate choice.
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