An object is 18 cm from the center of a spherical silvered glass Christmas tree

Question

An object is 18 cm from the center of a spherical silvered glass Christmas tree ornament 00 cm in diameter. Which of the following is true regarding the image? Virtual and smaller than object. Real and smaller than object. Virtual and the same size as the object. Real and the same size as the object. A speck of dirt is embedded 6 cm below the surface of a sheet of ice (n = 3). What is its apparent depth when viewed at normal incidence? 0 cm0 in 4 cm5 cm The magnetic moment of a diamagnetic atom is: Equal to zero. Much greater than One. Between Zero and One. A beam of electron passes undefeated through mutually perpendicular electric and magnetic fields. If the electric field is switched off and the same magnetic field is maintained, the electrons move: In a circular orbit. Along a parabolic path. Along a straight line. In an elliptical orbit.

Explanation / Answer

7) since it is a concave mirror [ deposited silver on the outer side of the sphere ] , the image is real , inverted and smaller in size.

Answer : b

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