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If two bodies are projected at 30⁰ and 60⁰ respectively with the same velocity, then
Options
(a) Their ranges are same
(b) Their heights are same
(c) Their times of flight are same
(d) All of these are same
Correct Answer:
Their ranges are same
Explanation:
Substituting θ in R=u²sin2θ/g
For 30° sin2θ => 60°
For 60° sin2θ => 120°
sin 120° = sin(180° − 120°) = √3/2
So Range is equal.
Related Questions: - A body takes 5 minute for cooling from 50⁰C to 40⁰C. Its temperature
- A thin glass(refractive index 1.5) lens has optical power of -5D in air.
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Topics: Motion in Plane
(93)
Subject: Physics
(2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- A body takes 5 minute for cooling from 50⁰C to 40⁰C. Its temperature
- A thin glass(refractive index 1.5) lens has optical power of -5D in air.
- If potential(in volts) in a region is expressed as V(x,y,z) = 6xy – y + 2yz,
- The excess pressure inside one soap bubble is three times that inside a second soap bubble
- A luminous object is seperated from a screen by distance d. A convex lens
Topics: Motion in Plane (93)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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