State the two fundamental postulates of Einstein's Special Relativity
What will be an ideal response?
1. the constancy of the speed of light;
2. the laws of nature are the same in all inertial frames.
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Process of Science: What would you say to a friend who thinks that the general theory of relativity is a beautiful example of abstract thinking by humankind that explains extreme phenomena in astrophysics but has no application to everyday life?
What will be an ideal response?
The total energy radiated by a blackbody depends on
A) the square of its temperature. B) the fourth power of its temperature. C) the fourth root of its temperature. D) the square root of its temperature. E) the cube of its temperature.
If you arrange the following 15 bits (111001111100111 ) into 5 rows of 3 bits starting with the first bit, what number does it spell out?
A) 2 B) 3 C) 5 D) 1
Consider an ideal solenoid of length L, N windings, and radius b (L is much longer than b). A current I is flowing through the wire windings
If the radius of the solenoid is doubled to 2b, but all the other quantities remain the same, the magnetic field inside the solenoid will A) remain the same. B) become twice as strong as initially. C) become one-half as strong as initially. D) become four times as strong as initially. E) become one-fourth as strong as initially.