JEE Main Mechanics: Kinematics – Chapter Test
JEE Main Mechanics: Kinematics – Chapter Test is an online chapter test in the JEE Main pattern, covering Mechanics. Attempt it on SeatBeat with a timer like the real exam, then see a detailed solution for every question and your score and weak-topic analysis.
Topics in this test
| Topic | Questions |
|---|---|
| Mechanics | 20 |
Difficulty: 7 medium · 13 hard
Kinematics MCQ questions with answers
The first 3 of 20 questions. Unlock the series for the rest, each with a solution.
Q1. A river is 200 m wide and flows with a uniform speed of 3 m/s. A boat whose speed relative to the water is 4 m/s is rowed with its bow kept perpendicular to the banks. The distance by which the boat is carried downstream when it reaches the opposite bank is:
एक नदी 200 मीटर चौड़ी है और 3 मी/से की एकसमान चाल से बहती है। एक नाव, जिसकी जल के सापेक्ष चाल 4 मी/से है, को उसका अग्रभाग किनारों के लंबवत रखते हुए खेया जाता है। विपरीत किनारे पर पहुँचने तक नाव धारा की दिशा में जितनी दूरी बह जाती है, वह है:
- A. 100 m / 100 मीटर
- B. 200 m / 200 मीटर
- C. 150 m / 150 मीटर
- D. 120 m / 120 मीटर
Solution
The crossing time is 200/4 = 50 s, since only the boat's velocity relative to water carries it across. In this time the current carries it downstream by 3 × 50 = 150 m.
पार करने में लगा समय 200/4 = 50 सेकंड है, क्योंकि केवल जल के सापेक्ष नाव का वेग ही उसे पार ले जाता है। इस समय में धारा उसे अनुप्रवाह दिशा में 3 × 50 = 150 मीटर बहा ले जाती है।
Q2. Among the following kinematic quantities, which one is the odd one out?
निम्नलिखित शुद्धगतिक राशियों में से कौन-सी असंगत (अलग) है?
- A. Displacement / विस्थापन
- B. Acceleration / त्वरण
- C. Distance / दूरी
- D. Velocity / वेग
Solution
Displacement, velocity and acceleration are vector quantities, whereas distance is a scalar, making it the odd one out.
विस्थापन, वेग और त्वरण सदिश राशियाँ हैं, जबकि दूरी एक अदिश राशि है, जो इसे असंगत बनाती है।
Q3. A body falls freely from rest (take g = 10 m/s²). The distance covered by it during the 5th second of its fall is:
एक पिंड विरामावस्था से मुक्त रूप से गिरता है (g = 10 मी/से² लें)। गिरने के 5वें सेकंड में उसके द्वारा तय की गई दूरी है:
- A. 35 m / 35 मीटर
- B. 45 m / 45 मीटर
- C. 25 m / 25 मीटर
- D. 125 m / 125 मीटर
Solution
The distance in the nth second is (g/2)(2n − 1) = 5 × 9 = 45 m. The value 125 m is the total distance in 5 s, not the distance in the 5th second.
nवें सेकंड में तय दूरी (g/2)(2n − 1) = 5 × 9 = 45 मीटर है। 125 मीटर का मान 5 सेकंड में तय की गई कुल दूरी है, 5वें सेकंड में तय दूरी नहीं।
Frequently asked questions
How many questions are in the JEE Main Mechanics: Kinematics – Chapter Test?
20 questions for 20 marks, to be answered in 20 minutes.
Is there negative marking in the JEE Main Mechanics: Kinematics – Chapter Test?
Yes — 0.25 marks are deducted for each wrong answer, as in the real exam pattern.
Which topics does the JEE Main Mechanics: Kinematics – Chapter Test cover?
Mechanics (20 questions).
Is the JEE Main Mechanics: Kinematics – Chapter Test free?
It is part of the JEE Main 2027 Mock Test Series (104 tests, ₹299). You can first try Basic Concepts & Atomic Structure – Topic Test for free.
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