Which of the following is a derived unit?
A. Ampere B. Kilogramme C. Second D. Ohm E. Kelvin Correct Answer: Option D – OhmA body moves along a circular path with uniform angular speed of 0.6 rads−¹ and at a constant speed of 3.0ms−¹. Calculate the acceleration of the body towards the centre of the circle.
A. 25.0ms−² B. 5.4 ms−² C. 5.0ms−² D. 1.8 ms−² E. 0.2ms−² Correct Answer: Option D – 1.8 ms−² Explanation A = wv = 0.6 x 3.0 = 1.8m−²
Which of the following is not an example of a force?
A. Tension B. Weight C. Friction D. Mass E. Thrust Correct Answer: Option D – Mass
Which of the following are correct of plane-polarized light?
I. Plane polarization of light is the formation of hydrogen bubbles on the particles of light. II. Plane polarization of light is the splitting of light into its spectral components III. Plane-polarized light vibrates in one plane only. IV. Polarization is...Products
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