| ⇦ | 
| ⇨ |
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) 60ﾟ
(b) 45ﾟ
(c) 30ﾟ
(d) 90ﾟ
Correct Answer:
60ﾟ
Explanation:
Given |A x B|= √3 (A.B)
AB sinθ = √3 AB cosθ
AB sinθ/AB cosθ = √3
tan θ = √3
θ = tan⁻¹√3 = 60°.
Related Questions: - An aeroplane is flying horizontally with a velocity of 216 km/h at a height of 1960 m.
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Difficulty Level: Easy
(1008)
Topics: Motion in Plane
(93)
Subject: Physics
(2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- An aeroplane is flying horizontally with a velocity of 216 km/h at a height of 1960 m.
- Ratio of longest wavelengths corresponding to Lyman and Balmer series in hydrogen
- When a magnet is taken towards a coil, the induced e.m.f. depends on
- Two coherent sources of different intensities send waves which interfere.
- A uniform plank of Young’s modulus Y is moved over a smooth horizontal surface
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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