Author Question: The closest object that a typical young person with normal vision can focus on clearly is closest to ... (Read 88 times)

lindiwe · **on:** Jul 29, 2018

The closest object that a typical young person with normal vision can focus on clearly is closest to

A) 1 cm.
B) 10 cm.
C) 25 cm.
D) 50 cm.
E) 75 cm.

Question 2

A blue photon

A) has a smaller wavelength than a red photon and travels with the same speed.
B) has a smaller wavelength than a red photon and travels with a greater speed.
C) has a longer wavelength than a red photon and travels with the same speed.
D) has a longer wavelength than a red photon and travels with a greater speed.