### NIOS CLASS 12TH Physics (312) SOLVED TMA In English Medium PDF SESSION 2023-24

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NIOS CLASS 12TH Physics (312) SOLVED TMA In English Medium PDF SESSION 2023-24

Which is Applicable for March/April & October/November 2024 Examination.

This platform provides Nios Physics (312) TMA Solved with project work for class 12th. Here you can Get Nios Solved Tutor Mark Assignment (TMA) in Good Quality which helps to achieve More and More Marks. Nios Assignment’s Answer Prepared by well Skilled and Experienced Teachers.

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Salient Features:

➛ This Nios Tutor Marked Assignment (TMA) is Only valid for 2023-24 Academic Session.
➛ Best Answer in PDF Format of NIOS TMA.
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➛ Answers are available in English Medium.
➛ We guide you to prepare good assignment file.
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Note -

➛ Total six questions are given by Nios in TMA. All questions have 2 options out of which one has to be selected. In this PDF, we have given you the answer of one option which is better so that your marks will be good.

➛ You have to write the question and answer on the A4 size sheet as given in this PDF.

➛ After writing, the page has to be scanned and made a PDF and upload on the portal of NIOS.

TMA Questions

1. Answer any one of the following questions in about 40-60 words.

(a) Two vector quantities are represented by :
r= rxi + ryj
F = Fxi +Fyj
Write the scalar, and vector products of these quantities. Give the names of two physical quantities which are obtained as the scalar product and vector product of two vector quantities.
(b) Displacement of a simple harmonic oscillatoris expressed by the following equation.
Y = 10-2sin (314t + π/4)
Where all the quantities art taken is SI units. Find the following characteristics of its oscillations.
(i) Amplitude
(ii) Frequency
(iii) Initial Phase
(iv) Amplitude of velocity

2. Answer any one of the following questions in about 40-60 words.

(a) The position-time graph of a particle moving in a straight line is given in the figure shown alongside. Calculate the average speed and average velocity of the particle.
(b) The distance of the image formed by anequi-convex lens, in air, from its second focus, x2=30 cm, while the distance of the object from the first focus is, x1= 10 cm. calculate the focal length of the lens.

3. Answer any one of the following questions in about 40-60 words.

(a) A long aluminum channel is bent in the form shown in the figure. What is the minimum height from which a marble should be rolled down in the channel so that is may negotiate the full loop and come out from the other side.
(b) The magnifying power of an astronomical telescope is 100. In its normal adjustment the distance between the centres of the objective and eye piece of the telescope is 8.08 m. calculate the values of focal lengths of the objective and eye piece of the telescope.

4. Answer any one of the following questions in about 100 to 150 words.

(a) In Physics books you might have noticed the mass of earth to be 5.97x10 24 kg. Suggest a method by which the scientists find out the mass of earth.
(b) Why do we have to modulate signals for effective wireless telecommunication? Give any three reasons. What do we do in the process of modulation? For Communication in the following devices which radio frequency bands do we use?
(i) SONAR
(iv) Satellite Communication

5. Answer any one of the following questions in about 100 to 150 words.

(a) You are provided with two identical looking spheres A and B having equal masses and radii made of different materials. Actually one of them is a solid sphere and the other is a spherical shell. Suggest an experiment to find out which of the two is hallow from within. Give reason in support of your answer.
(b) Can the affective utilization of solar energy solve our energy problem? Giving numerical calculations answer this question. In your calculations you can use the data given below:

6. Prepare any one project out of the given below:
(a) Take a rubber string fix its one end to a rigid support and attach a light scale pan on its lower end. Attach a pointer just above the pan which may move freely against a vertical scale. Add weight on the pan in steps of 10g and note the position of the pointers in each case. Take 5-6 readings .Note the position of the pointers again while removing weights from the pan. Tabulate the data and draw case of load increasing as well as load decreasing on the same graph. Repeat the experiment using a spring in place of rubber string. Compare the graph obtained in the two cases.
(b) Kinetic Theory of gases provides us the equation p=1/3 m nc2 using this equation derives the following laws:
1. Boyle’s Law
2. Chari’s Law
3. Gay-Lussac’s Law
5. Daltons Law of partial pressures
6. Graham’s Law of diffusion

NOTE- You will get the answers of all these questions after purchasing the PDF.
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Most Important Facts relating to TMA:

➛ This assignment solution is based on the latest session 2023-24.
➛ The Last date of submission of this assignment is 31 January 2024 (For April examination).
➛ The Last date of submission of this assignment is 31 August 2024 (For Oct. examination).
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