A Conical pendulum has speedg V and shown. what angle lensth l os does it make with verfical ? show: remember : - F.B D. | =V ma het

Don't use chat gpt I need human answer.    A convex lens is made up of three different materials. How many of images does it form.

nave atelescope withaescm 2nca engh objective. Recall that simple two-element to =85 cm, 7e=1.75 cm What is the anguiar magnitication,m, 07 this telescope when equipped with al.75cm M:?

The focal length of a convex lens is 5 cm. Its power is a. 5D O b. - 0.2D O. 20D O d. 0.2D

b C. d. Its behavior depends on the wavelength of the light. ] How far are you from your image when you stand 1.50 m in front of a vertical plane mirro 0.375 m 0.750 m 1.50 m d. 3.00 m a. It becomes narrower. It becomes wider. نه لان ف b. None of the above ots charmast do 68 ght goe ame.

3 O Find tne far point Of an eye tor which a prescribed lens has an OpHIcal Power Ut-0.56d.] BFind the tar Point of an eye tor whch a prescribed lens has an opical power or 39d

3. The near point for a person is measured to be 1.20 m. If this person wishes to read at the normal distance of 0.30 m, what prescription would they need? Assume the eyeglasses are to be placed 2.0 cm from the eye.

Reading glasses with a power of +1.25 diopters make reading a book comfortable for you when you wear them 2.2 cm from your eye. If you hold the book 28.0 cm from your eye, what is your nearpoint distance?

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help with the units alo image prorties not sure how to tell and the shape is it convex or  concave