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Category: Ray Optics

In a young’s experiment, one of the slits is covered with a transparent sheet of thickness 3.6 × 10^(-3) cm due to which position of central fringe to a position originally occupied by 30th fringe…

Rajesh Jha

Q: In a young’s experiment, one of the slits is covered with a transparent sheet of thickness 3.6 × 10^(-3)…

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Posted in: i. Physics : Q & A, Ray Optics

A telescope objective of focal length 1 m forms a real image of the moon 0.92 cm in diameter. Calculate the diameter of the moon taking its mean distance from the earth to be 3.8 ×10^5 km…

Rajesh Jha

Q: A telescope objective of focal length 1 m forms a real image of the moon 0.92 cm in diameter.…

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Posted in: i. Physics : Q & A, Ray Optics

A telescope has an objective of focal length 50 cm and an eyepiece of focal length 5 cm. The least distance of distinct vision is 25 cm. The telescope is focused for distinct vision on a scale 2 m away from the objective…

Rajesh Jha

Q: A telescope has an objective of focal length 50 cm and an eyepiece of focal length 5 cm. The…

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Posted in: i. Physics : Q & A, Ray Optics

An astronomical telescope has an angular magnification of magnitude 5 for distant objects. The separation between the objective and eye piece is 36 cm and the final image is formed at infinity…

Rajesh Jha

Q: An astronomical telescope has an angular magnification of magnitude 5 for distant objects. The separation between the objective and…

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Posted in: i. Physics : Q & A, Ray Optics

The focal lengths of the objective and the eyepiece of a compound microscope are 2.0 cm and 3.0 cm respectively. The distance between the objective and the eyepiece is 15.0 cm…

Rajesh Jha

Q: The focal lengths of the objective and the eyepiece of a compound microscope are 2.0 cm and 3.0 cm…

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Posted in: i. Physics : Q & A, Ray Optics

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