An achromatic lens brings all colors to the same focus

a. True
b. False
Indicate whether the statement is true or false


False

Physics & Space Science

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Projectile Motion: A cat leaps to try to catch a bird. If the cat's jump was at 60° off the ground and its initial velocity was 2.74 m/s, what is the highest point of its trajectory, neglecting air resistance?

A. 0.29 m B. 0.58 m C. 10.96 m D. 0.19 m

Physics & Space Science

The mass of a lamb that weights 110 N is about

A) 1 kg. B) 11 kg. C) 110 kg. D) 1100 kg. E) none of the above

Physics & Space Science

The Hipparcos satellite has extended our accurate parallax distance measurements to over 200 parsecs

Indicate whether the statement is true or false

Physics & Space Science

The primary purpose of a telescope is to:

A) collect a large amount of light and bring it into focus. B) magnify distant objects. C) separate light into its component wavelengths. D) make distant objects appear nearby. E) measure the brightness of stars very accurately.

Physics & Space Science