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Find out the angle of projection, if range is 4 times of maximum height
Options
(a) 60⁰
(b) 45⁰
(c) 30⁰
(d) 75⁰
Correct Answer:
45⁰
Explanation:
R=4H
2 u² sin θ cos θ/g = 4. u² sin² θ/ 2g
.·. tan θ =1
.·. θ = 45⁰
Related Questions: - Two parallel long wires carry currents i₁ and i₂ with i₁ > i₂ .
- When a biconvex lens of glass having refractive index 1.47 is dipped in a liquid
- A coil of inductive reactance 31 Ω has a resistance of 8 Ω. It is placed in series
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Topics: Motion in Plane
(93)
Subject: Physics
(2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- Two parallel long wires carry currents i₁ and i₂ with i₁ > i₂ .
- When a biconvex lens of glass having refractive index 1.47 is dipped in a liquid
- A coil of inductive reactance 31 Ω has a resistance of 8 Ω. It is placed in series
- Two capacitors of 10pF and 20pF are connected to 200V and 100V sources, respectively.
- A Carnot engine takes heat from a reservoir at 627⁰C and rejects heat
Topics: Motion in Plane (93)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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