What is angle of deviation?

The angle between the direction of incident ray and the emergent ray, is called the angle of deviation.

What are the questions asked in physics 12 Viva?

• Measurement of Resistance.
• Measurement of Electromotive Force and Potential Difference.
• Galvanometer, Ammeter and Voltmeter.
• Frequency of AC (Alternating Current) Mains.
• Focal Length of Spherical Mirrors.
• Focal Length of Spherical Lenses.

How do you prepare for practical physics?

1. Step 1: Know the type and structure of your practical exam.
2. Step 2: Gain a mastery of essential scientific skills.
3. Step 3: Know how to apply the skills for each part of the practical.
4. Step 4: Practise your skills with various experiments.

Do you write procedures in physics practical class 12?

You will have to write the statement of the Ohm’s Law and then present its mathematical representation as well. You will also have to provide a diagram to go along with your experiment, which in this case will be a circuit diagram. Then you will have to make a note of the procedure, step by step.

What is Viva in practical exam?

A viva simply means a university examination during which students answer questions in speech and these questions are commonly based on a particular project or discipline.

What is refractive index 12th?

The refractive index is the measure of bending of a light ray when passing from one medium to another. It can also be defined as the ratio of the velocity of a light ray in an empty space to the velocity of light in a substance, n = c/v.

Is practical exam easy?

Ans: Yes, CBSE Class 12 practical is very easy and Scoring.

Is Viva Class 12 hard?

Viva is not so tough. And every student get good marks in external .

What is the minimum marks given in practical?

In case of a subject involving practical work a candidate must obtain 33% marks in theory and 33% marks in practical separately in addition to 33% marks in aggregate in order to qualify in that subject.

How do I pass my physics practical exam?

1. Know the Concepts Well! When students sit in the Practical exam, they must read the question carefully in order to understand the principle behind the experiment.
2. Opt for a Stepwise Approach.
3. Understanding Over Cramming.
4. Practice Makes A Man Perfect.
5. Be Confident.

How do I do well in physics practical exam?

just list down anything you know thank you 🙂 Just be calm and if you find that your setup isn’t working like it should, don’t hesitate to ask for help from the invigilators rather than panic and waste time. Also, for planning, be as concise as you can.

How do I write practical practical exam?

1. Attend All The Classes.
2. Concept Behind the Specific Experiment.
3. Pay Attention to the Theory Classes.
4. Inform Your Department About the Learning Difficulties.
5. Make Notes.
6. Know the Paper Pattern.
7. Learn the Procedure to Conduct the Experiment.

Is practical exam important?

A practical exam strengthens the comprehension and understanding of a particular subject. Even though theoretical education makes use of textbooks and research papers, applying that knowledge in the real world and having a first-hand experience with it will help understand it much better.

How do I prepare for the 12th practical exam?

1. Be good with diagrams and circuits. Visualize and draw rough diagrams for the experiments to prepare.
2. Be confident during the practical examination. A student should be confident about whatever topic is given by the examiner.
3. Sharpen your senses.

How many marks does physics practical carry?

your practical is 50marks.. and objective and theory will be also be 50 marks on the long run..

What is viva full form?

Viva. Vision Investment Vitality and Action. Viva.

Why do I get blank during viva?

Blank, During and Before You can take your time, you can think and something will come. Going blank doesn’t mean you’re not talented, it means you’re human. Your viva isn’t a test of perfection. If you go blank in the viva, sit with it, pause, relax and try again.

What is the full form of viva voce?

Viva voce is a Latin phrase literally meaning “with living voice” but most often translated as “by word of mouth.”

What is critical angle formula?

Critical Angle Formula = the inverse function of the sine (refraction index / incident index). Critical Angle is the angle of incidence corresponding to the angle of refraction of 90°.

What is the SI unit of refractive index?

The refraction index has no unit as it is the ratio of two similar Quantities.

How do you get full marks in practicals Class 12?

Yes it’s quite easy to score good marks/full marks in class 12th practicals. All you need to do is do experiments and give some appropriate answers in the viva examination.As 12th practical exam marks is to be given by your teacher,so make sure that your impresssion is not bad.

Will practical marks be added in Term 1?

Schools will then add the practical marks to the total and release the result. Students will be able to get their marks from their respective schools. No student will be failed on the basis of term 1 exams. This means, irrespective of the score attained by students they will be appearing for term 2 board exams.

How are practical marks calculated?

Test marks to percentage – practical examples Let’s say a student scored 85 on an exam with a maximum mark of 100. Plugging the numbers into the above formula, we get: 85 / 100 = 0.85 x 100 = 85% so the test percentage is 85%.

What happens if you miss a board practical?

If a student does not appear for any reason in CBSE 12th practical examination, that is absent, then he / she will be included again in the practical examination . For this, students have to keep in touch with their school. At the same time, the school has to contact its regional office.

What is the pass mark out of 100 in CBSE?

As per the CBSE Board , a student must have scored a minimum of 33 per cent marks to pass in CBSE 12th 2022 and 10th examination.