# CBSE Class 11 Physics Practice Paper: Set‒XI

Find CBSE Class 11 Physics Practice Paper (Set- XI) for the coming CBSE school exam. This paper contains important questions from 10th unit (Oscillations and Waves) of CBSE Class 11 Physics.  Find CBSE Class 11 Physics Practice Paper (Set- XI) for the coming exam. This paper contains important questions from 10th unit (Oscillations and Waves) of CBSE Class 11 Physics. These questions will not only help the students to prepare for exams in a better manner, but will also help them in understanding the depth with which a topic should be studied.

Few sample questions from the Question Paper are given below:

Q. Suppose tension of a wire is increased to four times then what will be the effect on wave speed?

CBSE Class 11 Syllabus

Q. A boy is swinging on a swing in sitting position. How the time period of swing will be affected?

CBSE Class 11 Practice Papers

Q. Show that for a particle in linear simple harmonic motion, the average kinetic energy over a period of oscillations equals the average potential energy over the same period

Class 11 NCERT Solutions

Q. What do you understand by second’s pendulum? Explain how time period of a simple pendulum vary if it is accelerated upwards with an acceleration greater than the acceleration due to gravity.

Class 11 Video Tutorials

Q. A physics teacher of class XI has assigned an assignment for finding the resultant spring constant when two springs of spring constants K1, K2 are joined in series.

A group of two students Ajay and Hariom made a theoretical study as well as verified experimentally. The other group Ram and Kavita could not verify experimentally. When the teacher enquired the next day, calculations of Ram and Kavita are found to be incorrect.

(a) What are the qualities you observed in Ajay and Hariom?

(b) Two springs having spring constant K1 and K2 are first connected in series and then corrected in parallel. Find the ratio equivalent force constant in both the cases.

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