OK, once again we have a pendulum, this time of length 1.03 m, which you release from rest at an angle of 52.4 degrees to the vertical. What will be the speed of the pendulum at the instant it reaches an angle of 26.2 degrees above the vertical? 1 2.81 m/s 1.44 m/s 3 4.22 m/s 4 2.41 m/s

Q: The magnification of the image produced be an object placed 50 cm in front of converging (concave…

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Q: When the candle is placed in region 1, is the image upright or inverted?

A: Since you posted multiple questions, we will solve only first question and for the solutions of…

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A: Here,     A concave mirror (of focal length magnitude 8.0 cm) is placed in combination with a…

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Q: Problem 5: An object is placed in front of a thin converging lens, as shown. ↑ The focal-point…

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Q: Suppose the focal length is f = -100 cm the object distance is so= 400 cm the object is 5cm tall How…

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Q: A candle 5.50cm tall is 39.4cm to the left of a plane mirror. Where is the image formed by the…

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Q: You use two lenses to look at a coin. The first lens has a focal length of 20 mm.    The second…

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Q: A concave mirror (of focal length magnitude 6.0 cm) is place in combination with a converging lens…

A: Using lense formula and mirror formula.

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Q: B. If you look straight down into a swimming pool where it is 2.00 m deep, how deep does it appear…

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Q: Which cues do we use to determine if an object is closer to us than an object that we are focusing…

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Q: A convex mirror (of focal length magnitude 7.0 cm) is placed in combination with a diverging lens…

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Q: HELP ASAP Given | a | = 5, | b | =  8  and the angle between them 150°, find a) the magnitute of…

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Q: A fish swims 4.0 m below the surface of a still lake as shown in the figure. When an archer attempts…

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Q: consider a 3cm tall object located 6cm in front of a spherical mirror (R=-4cm). you will use the (1)…

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Q: 41. The and Ay Bx = displacement vector A has scalar components of A, = 80.0 m 60.0 m. The…

A: Two vectors are said to be equal if the scalar components are equal.

Q: Each of the parts in this problem has a description of an object and an optical device (a lens or a…

A: A.The image is real.The image on the same side as the object.Observer should stand on same side.

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Applications Of Reflection Of Light

When a light ray (termed as the incident ray) hits a surface and bounces back (forms a reflected ray), the process of reflection of light has taken place.

Sign Convention for Mirrors

A mirror is made of glass that is coated with a metal amalgam on one side due to which the light ray incident on the surface undergoes reflection and not refraction.