Home » Physics » A concave lens of focal length 20cm form an image 1/2 the size of the…A concave lens of focal length 20cm form an image 1/2 the size of the… A concave lens of focal length 20cm form an image 1/2 the size of the object. The object distance is A. 100cm B. ( frac{100}{q} ) C. 60cm D. ( frac{60}{7} ) E. None of the above Correct Answer: Option C Explanation Related Posts A body is projected with an initial velocity U at an angle O to the… The diagram above represents a section of a pair of vernier calipers. The reading on… (s) State the Heisenberg Uncertainty Principle. (b) The product of the uncertainties in Heisenberg Uncertainty… A piece of cloth appears green in sunlight. When held in red light, it will… Which of the following factors has no effect on the e.m.f. of a primary cell? Boyle’s law may be Written as
(s) State the Heisenberg Uncertainty Principle. (b) The product of the uncertainties in Heisenberg Uncertainty…