Verified Solution • 2025–26 Session moderate

QAIPMT-2005-Ph-2534: NEET 2005 Physics - Class 11 AIPMT-2005-Ph-2534 Solution: If the angle between the vectors \( {A}\) and \( {B}\) is \( \) …

If the angle between the vectors A⃗\vec{A} and B⃗\vec{B} is θ\theta the value of the product (B⃗×A⃗)⋅A⃗(\vec{B} \times \vec{A}) \cdot \vec{A} is equal to BA2sin⁡θBA^2\sin\theta BA2cos⁡θBA^2\cos\theta BA2sin⁡θcos⁡θBA^2\sin\theta\cos\theta zero.

Multiple Choice Options

  • A 4.8 ×\times _ 10 4 cal
  • B 6 ×\times _ 10 4 cal
  • C 2.4 ×\times _ 10 4 cal
  • D 1.2 ×\times _ 10 4 cal.

Step-by-Step Verified Solution

1 _ T 2 T 1 = 1 _ Q 2 Q 1 _ 1 _ 400 500 = 1 _ Q 2 6 _ 10 4 _ 4 5 = Q 2 6 _ 10 4 _ Q 2 = 4.8 _ 10 4 c a l Net heat converted into work = 6.0 _ 10 4 _ 4.8 _ 10 4 = 1.2 _ 10 4 c a l

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