Where can parallel light rays meet ?

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1 Answer

Answer :

: Inside a spherical object.
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Pick up the correct specification of Ramsden eyepiece from the following: (A) It consists of two equal piano convex lenses (B) The curved surfaces of Plano-convex lenses face each other (C) The distance between the diaphragm and the front lens of the eyepiece is kept equal to 1/4 th of the focal length of a lens so that rays from a point on the diaphragm enter the eye as a parallel beam (D) All the above

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X and y are points on the side LN of the triangle LMN , such that LX = XY = YN . Through X, a line is drawn parallel to LM to meet MN at Z. -Maths 9th

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At what point does the graph of the linear equation 2x + 3y = 9 meet a line which is parallel to the y-axis, at a distance of 4 units from the origin and on the right of the y-axis? -Maths 9th

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Last Answer : hope its clear

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If a rigid body is in equilibrium under the action of three forces, then (A) These forces are equal (B) The lines of action of these forces meet in a point (C) The lines of action of these forces are parallel (D) Both (B) and (C) above

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If three forces acting in one plane upon a rigid body, keep it in equilibrium, then they must either (A) Meet in a point (B) Be all parallel (C) At least two of them must meet (D) All the above are correct

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Two trains 240m and 170m in length are running towards each other on parallel tracks. One train has a speed of 51kmph and the other has a speed of 45kmph. In what time after the meet first will they be clear of each other? a) 6.714s b) 12.2 s c) 15.375s d) 16s

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An optically plane surface reflects a beam of light (1) as a parallel beam in one direction (2) as diffused beams in all directions (3) as parallel beams in all directions (4) as a diffused beam in one direction

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