A lens of focal length 40 mm is used as a magnifier. The object being viewed is 5.3 mm long, and is positioned at the focal point of the lens. The user of the magnifier has a near point at 25 cm. What is the angular magnification of the magnifier?
A) 6.3
B) 5.6
C) 6.9
D) 7.5
E) 8.1
Question 2
The acceleration due to gravity on Planet A is one-sixth what it is on Planet B, and the radius of the Planet A is one-fourth that of Planet B. The mass of Planet A is what fraction of the mass of Planet B?
A) 1/6
B) 1/16
C) 1/24
D) 1/96
E) 1/12
A 3-tonne (3.0-long-ton; 3.3-short-ton) great white shark off Isla Guadalupe
Volvulus. A length of small intestine has twisted around itself, cutting off blood circulation to th
The Role of the Hippocampus and Cerebral Cortex in Long-Term Memory Storage
A wave whose wavelength is 0.500 m is traveling down a 500-m long wire whose total mass is 25 ...
Each chromosome consists of a single, long molecule of DNA within which are the sequences of individ
Electrophoretic separation of a mixture of DNA fragments that vary in length