Some of the following statements are incorrect and some are correct. decide which are correct and which are wrong. Then choose the right option from the options given.
A) Refractive telescopes use concave objective mirrors while reflective telescopes use convex objective mirrors.
B) The longer the focal length of the objective and the shorter the focal length of the eyepieces helps to get a clearer and enhanced image.
C) Reflective telescopes create virtual images from the objective mirrors.
D) In refractive telescopes, the image obtained from the objective lenses is the real image.
E) Adding a concave-convex lens to a convex-convex lens is a method to fix the color aberration defect.
F) The objective lens is given a parabolic concave shape to fix the spherical aberration defect.
D, E, F are wrong while A, B, C are correct.
A, B, C are wrong while D, E, F are correct.
A, C, F are wrong while B, D, E are correct.
B, D are wrong while A, C, F, E are correct.
Answers
Answered by
0
Explanation:
B, D are wrong while A, C, F, E are correct.
Answered by
0
Explanation:
b,d options are wrong
a,c,e,f, are correct
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