West Bengal Police Constable Special Mock Test
Physics - Units and Dimensional Formula
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1) What is the SI unit of length?
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2) Which of the following has the same dimension as pressure?
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3) Which of the following physical quantities does not have a dimensional formula?
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4) What is the SI unit of electric conductance?
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5) A 100 W electric bulb is used for 10 hours a day. How many units of electrical energy are consumed by the bulb in 3 days? (1 unit = 1 kWh
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6) If the unit of length is doubled, which of the following quantities will remain unchanged?
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7) What is the SI unit of magnetic flux density?
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8) The dimensional formula for electric charge is the same as that for which of the following quantities?
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9) The dimensional formula for gravitational potential is the same as that of which of the following?
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10) What is the SI unit of electric potential difference?
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