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Chapter 12 of 14
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Oscillations

Madhya Pradesh Board · Class 11 · Physics

Flashcards for Oscillations — Madhya Pradesh Board Class 11 Physics. Quick Q&A cards covering key concepts, definitions, and formulas.

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Card 1Periodic and oscillatory motion

State the difference between periodic motion and oscillatory motion.

Answer

Periodic motion repeats itself after equal intervals of time. Oscillatory motion is a to-and-fro motion about a mean position. Every oscillatory motion is periodic, but every periodic motion need not

Card 2आवर्ती और दोलनीय गति

आवर्ती गति और दोलनीय गति के बीच अंतर बताइए।

Answer

आवर्ती गति समान समयांतराल के बाद स्वयं को दोहराती है। दोलनीय गति माध्य स्थिति के बारे में आगे-पीछे की गति है। हर दोलनीय गति आवर्ती होती है, लेकिन हर आवर्ती गति दोलनीय होना आवश्यक नहीं है। उदाहरण: वृत्

Card 3आवर्ती और दोलनीय गति

वृत्तीय गति को दोलनीय गति क्यों नहीं कहा जाता?

Answer

वृत्तीय गति समान समयांतराल के बाद दोहराई जाती है, इसलिए यह आवर्ती है। लेकिन गति माध्य स्थिति के बारे में आगे और पीछे नहीं होती, इसलिए यह दोलनीय नहीं है। दोलनीय गति में माध्य स्थिति के दोनों ओर बार-बार

Card 4Periodic and oscillatory motion

Why is circular motion not called oscillatory motion?

Answer

Circular motion repeats after equal time intervals, so it is periodic. But the motion is not to and fro about a mean position, so it is not oscillatory. Oscillatory motion must involve repeated motion

Card 5Period and frequency

State the definition of period and frequency.

Answer

Period is the smallest interval of time after which motion repeats itself. Frequency is the number of repetitions per unit time. Relation: ν = 1/T, where ν is frequency and T is period.

Card 6आवर्तकाल और आवृत्ति

आवर्तकाल और आवृत्ति की परिभाषा बताइए।

Answer

आवर्तकाल वह सबसे छोटा समयांतराल है जिसके बाद गति स्वयं को दोहराती है। आवृत्ति प्रति इकाई समय में दोहरावों की संख्या है। संबंध: ν = 1/T, जहाँ ν आवृत्ति है और T आवर्तकाल है।

Card 7आवृत्ति और आवर्तकाल पर संख्यात्मक

एक मानव हृदय 1 मिनट में 75 बार धड़कता है। इसकी आवृत्ति और आवर्तकाल ज्ञात कीजिए।

Answer

दिया है: 60 s में 75 धड़कनें सूत्र: ν = 1/T चरण 1: आवृत्ति = 75/60 s = 1.25 s⁻¹ चरण 2: ν = 1.25 Hz चरण 3: T = 1/ν = 1/1.25 s = 0.8 s उत्तर: आवृत्ति = 1.25 Hz, आवर्तकाल = 0.8 s

Card 8Numerical on frequency and period

A human heart beats 75 times in 1 minute. Find its frequency and period.

Answer

Given: 75 beats in 60 s Formula: ν = 1/T Step 1: Frequency = 75/60 s = 1.25 s⁻¹ Step 2: ν = 1.25 Hz Step 3: T = 1/ν = 1/1.25 s = 0.8 s Answer: Frequency = 1.25 Hz, period = 0.8 s

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