why is the electric field always at right angles to the equipotential surface? Explain.
Explanation: If the electric field is not normal to the equipotential surface, and then the work done in moving a
Can the coefficient of friction be greater than one?
Answer: Yes. Generally coefficient of friction between the surfaces is always less than one. But under some special conditions like
If the polar ice caps of the earth were to melt, what would the effect of the length of the day be?
Answer: Earth rotates about its polar axis. When ice of polar caps of earth melts, mass concentrated near the axis
Physics Model Question Papers Class 12
Sample / Model Question Papers – Physics – Class 12 Physics Model Question Paper – I – CBSE Old Pattern
Physics Class 12 Model Question Paper – I
Physics Class 12 Sample Question Paper / Model Question Paper – I OLD EXAM PATTERN: (WITHOUT MCQs) Grade : CLASS
Physics Class 11 Model Question Paper – II
Physics Sample Question Paper / Model Question Paper – II – Class 11 Grade : XI Subject: PHYSICS
Physics Model Question Paper – I
Physics Model Question Paper – I CBSE SAMPLE QUESTION PAPER Grade : CLASS 11 Subject: PHYSICS Marks: 70 Time
Physics Model Question Papers Class 11
Sample / Model Question Papers – Physics – Class 11 Physics Model Question Paper – I Physics Model Question Paper
A girl is swinging seated in a swing. What is the effect on the frequency of oscillation if she stands?
Answer: The frequency of oscillation will increase because in the standing position, the location of centre of mass of the
Will a pendulum clock gain or lose time when taken to the top of a mountain?
Answer: On mountains the acceleration due to gravity is less as compared on the surface of earth. Since time period