VECTORS--PRACTICE PROBLEMS

Vectors 

In this post, I am sharing an Assignment on Vectors Chapter of JEE/NEET Physics Class 11 portion.

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Physics Notes Class-10th

By: Amar Sir 

Class 10 is a predominant standard in student's life. It effectively moulds student's career in future. Physics-Vision provide the right  notes for students in class 10 in order to assists their progress. The complete foundation of notes has been kept on the basis of latest syllabus. Notes are available for free.

Here is the list of Units included in  Class 10 Physics syllabus:

Electricity.                                    Download

Light reflection and refraction.           coming soon

Human eye and colorful world.         coming soon

Magnetic effect of electric current.   Download

Sources of energy.                             Coming soon

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Physics Notes Class-11th

By: Amar Sir

We know that last-minute revision and stuffing is never so easy during examinations. That is why it is recommended to start preparation much before the date of exam commencement. During examinations, students are left with much less time to go through all the chapters and revise them. Thus study notes play a very important role here. These notes could make you score high marks in your exams for sure.

Chapter – 1: Physical World                                                      Download ⬇️

Chapter – 2: Units and Measurements                                       Download  ⬇️

Chapter – 3: Motion in a Straight Line                                     Coming Soon 🔜

Chapter – 4: Motion in a Plane                                                 Coming Soon 🔜

Chapter – 5: Laws of Motion                                                   coming soon 🔜

Chapter – 6: Work, Energy and Power                                     Coming Soon  🔜

Chapter – 7: System of Particles and Rotational Motion         Coming Soon  🔜

Chapter  -Vector                                                                      coming soon  🔜

Chapter - : Mechanical properties of Fluid                      Download 1   ⬇️

                                                                                         Download 2   ⬇️

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CBSE CLASS 11- PHYSICS --ERROR WORKSHEET

                                                                        

                                                                             WORKSHEET

1. The sides of a rectangle are (10.5 ± 0.2) cm and (5.2 ± 0.1) cm. Calculate  its perimeter with error

     limits.       (Ans. (31.4 ± 0.6) cm)

2. If displacement of a body s = (200 ± 5) m and time taken by it t = (20 +0.2) s, then

    find the percentage error in the calculation of velocity. (Ans. 3.5%)

3. A physical quantity is measured as Q = (2.1 ± 0.5) units. Calculate the percentage error in 

       (a) Q²   (b) 2Q.     (Ans.  48% and 24% )     Solution

4.The length of a rod as measured in an experiment was found to be 2.48m, 2.46m, 2.49m, 2.50m      and 2.48m. Find the average length, absolute error and percentage error. Express the result with  error limit.  (Ans.   2.48 ± 0.01)m (2.48m ± 0.40%)

5. The error in the measurement of radius of a sphere is 2%. What would be

     the error in :

    (a) Volume of sphere

    (b) Surface area of sphere.    (Ans. 6% and 4% )

6. The value of two resistors are R₁ = (6 ± 0.3) Ω and R₂ = (10± 0.2) Ω. Find the percentage error in the equivalent resistance when they are connected in parallel.   (Ans. 10.125% )   Solution

7. The mass and the volume of a body are found to be 5.00 ± 0.05 kg and 1.00 ± 0.05  m³    respectively. What is the maximum possible percentage error in its density.  (Ans. 6%)

8. What are the number of significant figures for the  numbers 23.023 , 0.0003 and 2.1 x  10^-3  ?

9.  The refractive index (μ) of water is found to have the values 1.29, 1.33, 1.34, 1.35, 1.32, 1.36, 1.30 and 1.33. Calculate the mean value, absolute error, the relative error and the percentage error. (Ans. 1.33 , 0.02 ,  0.02, ± 1.5 %)

10.  A current of 3.5 ± 0·5 ampere flows through metallic conductor.  And a potential difference of 21 ± 1 volt is applied. Find the Resistance of the wire.  (Ans. R = 6 ± 1.14 Ω )

Problems : Combination of Resistors (Class-10th)

Electric current 

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Circuit problems
By: Amar Sir

1.Find the equivalent resistance and current flows through the circuit in fig.1 .

Fig.1

2. Find the total resistance of the following combination

3. Find the equivalent resistance between points A & B of the network shown in the given diagram:

4. Find the equivalent resistance between points 

5. Find the total resistance between  A and B.

6.Carefully study the circuit and find the value of x.

7. What is the equivalent resistance of circuit and current flowing in circuit.

8. What is the equivalent resistance and find the current shown by ammeter.

9. Five resistors each of 3 ohm are connected as shown here. Calculate resistance between (i) A and B (ii) C and D.

10. What is the equivalent resistance and current flowing in the circuit.

Good Luck👍👍👍👍 .....

CBSE Class 12 Physics Notes – Free PDF Download

The key to success is hard work and the best way to score good marks in any examination is the revision.You can download class 12 Physics Revision Notes in PDF format.These Revision Notes are available for free.  

Revision Notes                                          Link

1. Electrostatic                                     

2. Current                                               Download    

3.Magnetic Effects of Current             coming soon

4. Alternating Current                          coming soon

5.  Electromagnetic waves                  coming soon

6. Optics                                                coming soon

7.  Dual Nature of Radiation                coming soon
      and Matter

8. Atoms and Nuclei                            coming soon

9. Electronic Devices                           coming soon

10. Communication Systems              coming soon