Problem 25.31 5 of 7 Review | Constants Part A What is the magnification of an astronomical telescope whose objective lens has a focal length of 78 cm and whose eyepiece has a focal length of 2.3 cm ? Follow the sign conventions. Express your answer using two significant figures. M = -33.9 X Submit Previous Answers V Correct 4 Part B What is the overall length of the telescope when adjusted for a relaxed eye? Express your answer to two significant figures and include the appropriate units. HA ? L = - 27 X Submit Previous Answers Request Answer I Review I Constants A person's right eye can see objects clearly only if they are between 27 cm and 86 cm away. V PartA What power of contact lens is required so that objects far away are sharp? Express your answer using two significant figures. V r'art H. What power of contact lens is required so that objects far away are sharp? Express your answer using two significant figures. Previous Answers Request Answer X Incorrect; Try Again; 5 attempts remaining v PartB What will be the near point with the lens in place? Express your answer using two significant figures and include the appropriate units. Help I Review | A 6.60-D lens is held 12.5 cm from an ant 1.00 mm high. v PartA What is the position of the image? on the opposite side of the lens relative to the object a on the same side of the lens with the object no image is formed Previous Answers I Review | Constants A diver shines a flashlight upward from beneath the water (77. = 1.33) at a 32.2 0 angle to the vertical. V PartA At what angle does the light leave the water? Express your answer using three significant figures. m Previous Answers Request Answer l V PartA What is the horizontal distance a: to the base of the wall supporting the mirror of the nearest point on the oor that can be seen reflected in the mirror? Express your answer to two significant figures and include the appropriate units. Submit Previous Answers Request Answer X Incorrect; Try Again; 4 attempts remaining