Order the materials from smallest refractive index to largest refractive index.
=Air
=Diamond
=Glass
=Quartz
=Water
Ans:
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Nuclear fusion within the Sun proceeds step by step in a series of reactions called the neutron–neutron chain
a. True b. False Indicate whether the statement is true or false
Parallel-Plate Capacitor: Which of the following will increase the capacitance of a parallel-plate capacitor? (There could be more than one correct choice.)
A. a decrease in the plate area and an increase in the plate separation B. a decrease in the potential difference between the plates C. an increase in the potential difference between the plates D. an increase in the plate area and a decrease in the plate separation E. an increase in the charge on the plates
The mass of an apple on the Earth is 0.2 kg. On the Moon, the mass of the same apple would be
A. greater than zero but less than 0.2 kg. B. greater than 0.2 kg. C. 0.2 kg. D. zero.
The time for one complete cycle of a periodic process to take place is called the __________
Fill in the blank(s) with correct word