| ⇦ | 
| ⇨ |
If A and B are two vectors and θ is the angle between them, if (A x B) = √3 (A. B), the value of θ is
Options
(a) 45°
(b) 30°
(c) 90°
(d) 60°
Correct Answer:
60°
Explanation:
| A⃗ x B⃗ | = √3 (A⃗.B⃗)
⇒ AB sin θ = √3AB cos θ
⇒ tan θ = √3 ⇒ θ = 60°
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Question Type: Memory
(964)
Difficulty Level: Easy
(1008)
Topics: Motion in Plane
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Subject: Physics
(2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- Which of the following rods of same material undergoes maximum elongation
- The refractive index of water, glass and diamond are 1.33, 1.50, 2.40 respectively
- The approxiamate ratio of nuclear mass densities of ₇₉Au¹⁹⁷ and ₄₇ Ag¹⁰⁷ nuclei is
- A polished metal plate has a rough and black-spot. It is heated to 1400 K
- The masses of three wires of copper are in the ratio 1:3:5 and lengths
Question Type: Memory (964)
Difficulty Level: Easy (1008)
Topics: Motion in Plane (93)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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