The first to be credited with the idea that light is quantized was
A) Max Planck.
B) Albert Einstein.
C) both Planck and Einstein at about the same time.
Question 2
A box is sliding down an incline tilted at a 12.0 angle above horizontal.
The box is initially sliding down the incline at a speed of 1.50 m/s. The coefficient of kinetic friction between the box and the incline is 0.340. How far does the box slide down the incline before coming to rest?
A) 0.920 m
B) 2.33 m
C) 1.78 m
D) 0.720 m
E) The box does not stop. It accelerates down the plane.
How phytochrome acts as a molecular light switch.
Part of the Hubble Ultra-Deep Field image showing a typical section of space containing galaxies int
Edmund Clark. Camp Five, Detainee's Cell, from the series Guantanamo: If the Light Goes Out, ...
Interactions of Light and Matter
Endangerment sites of the head and face. Use only light to moderate pressure on head and face.
Apply light tapotement on the head. Tapping lightly with the fingertips works well for this purpose.