Read and download the CBSE Class 12 Physics Simple Harmonic Motion Solved Examples. Designed for 2025-26, this advanced study material provides Class 12 Physics students with detailed revision notes, sure-shot questions, and detailed answers. Prepared by expert teachers and they follow the latest CBSE, NCERT, and KVS guidelines to ensure you get best scores.
Advanced Study Material for Class 12 Physics Simple Harmonic Motion
To achieve a high score in Physics, students must go beyond standard textbooks. This Class 12 Simple Harmonic Motion study material includes conceptual summaries and solved practice questions to improve you understanding.
Class 12 Physics Simple Harmonic Motion Notes and Questions
CBSE Class 12 Physics Simple Harmonic Motion Solved Examples. Please refer to the examination notes which you can use for preparing and revising for exams. These notes will help you to revise the concepts quickly and get good marks.
Ex.1. Find the time period of small oscillations in a horizental plane performed by a ball of mass 40 g fixed at the middle of a horizontally stretched string 1.0 m in length. The tension of the string is assumed to be constant and equal to 10 N.
Sol.: Consider a ball of mas m placed at the middle of a string of length l and tension T. The components of tension T towards mean position is T cosθ. The force acting on the ball = 2 T cosθ
Ex.2. If a tunnel is dug through the earth from one side to the other side along a diameter. Show that the motion of a particle dropped into the tunnel is simple harmonic motion. Find the time period. Neglect all the frictional forces and assume that the earth has a uniform density. G = 6.67 × 10–11 Nm2; kg–2
density of earth = 5.51 × 103 kg m–3
Sol.: Consider a tunnel dug along the diameter of the earth.A particle of mass m is placed at a distance y from the centre of the earth. There will be a gravitational attraction of the earth experienced by this particle due to the mass of matter contained in a sphere of radius y. Force acting on particle at distance y from centre F = GM100/R3.y
Ex.3. Two light springs of force constant k1 and k2 and a block of mass m are in one line AB on a smooth horizontal table such that one end of each spring is fixed on rigid supports and the other end is free as shown in figure.
The distance CD between the free ends of the springs is 60 cm. If the block moves along AB with a velocity 120 cm/sec in between the springs, calculate the period of oscillation of the block. (k1 = 1.8 N/m, k2 = 3.2 N/m, m = 200 gm) if initially block is mid way of CD then,
Sol.: If initially block is mid way of CD their the time period T is equal to sum of time to travel 30 cm to right, time in contact with spring k2, time to travel 60 cm to left, time in contact with spring k1 and time to travel 30 cm to right.
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Important Practice Resources for Class 12 Physics
CBSE Class 12 Physics Simple Harmonic Motion Study Material
Students can find all the important study material for Simple Harmonic Motion on this page. This collection includes detailed notes, Mind Maps for quick revision, and Sure Shot Questions that will come in your CBSE exams. This material has been strictly prepared on the latest 2026 syllabus for Class 12 Physics. Our expert teachers always suggest you to use these tools daily to make your learning easier and faster.
Simple Harmonic Motion Expert Notes & Solved Exam Questions
Our teachers have used the latest official NCERT book for Class 12 Physics to prepare these study material. We have included previous year examination questions and also step-by-step solutions to help you understand the marking scheme too. After reading the above chapter notes and solved questions also solve the practice problems and then compare your work with our NCERT solutions for Class 12 Physics.
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To get the best marks in your Class 12 exams you should use Physics Sample Papers along with these chapter notes. Daily practicing with our online MCQ Tests for Simple Harmonic Motion will also help you improve your speed and accuracy. All the study material provided on studiestoday.com is free and updated regularly to help Class 12 students stay ahead in their studies and feel confident during their school tests.
Our advanced study package for Chapter Simple Harmonic Motion includes detailed concepts, diagrams, Mind Maps, and explanation of complex topics to ensure Class 12 students learn as per syllabus for 2026 exams.
The Mind Maps provided for Chapter Simple Harmonic Motion act as visual anchors which will help faster recall during high-pressure exams.
Yes, teachers use our Class 12 Physics resources for lesson planning as they are in simple language and have lot of solved examples.
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Yes, our subject matter experts have updated the Chapter Simple Harmonic Motion material to align with the rationalized NCERT textbooks and have removed deleted topics and added new competency-based questions.