The photoelectric effect supports a
A) wave nature of light.
B) particle nature of light.
C) both of these
D) none of these
Answer: B
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A brass pipe is twisted by torques T 5 800 N?m acting at the ends causing an angle of twist of 3.58. The pipe has the following properties: L 5 2.1 m, d1 5 38 mm, and d2 5 56 mm. The shear modulus of elasticity G of the pipe is approximately:
(A) 36.1 GPa
(B) 37.3 GPa
(C) 38.7 GPa
(D) 40.6 GPa
A circuit consists of N resistors, all of resistance R, connected as shown below. A potential difference V is applied to the circuit. The equivalent resistance of the circuit is
A.
.B.
C.
.D.
E.
The peak of a body's blackbody radiation curve shifts upward as the temperature of the body increases
Indicate whether the statement is true or false
What is the only element in your body that was formed during the Big Bang, and not in cores of stars? Explain how you know this
What will be an ideal response?