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Alinkashia

Questions (10)

A certain material is in a room at 27°C. If the absolute temperature (K) of the material is tripled, its resistance doubles.
1. 1 answer
2. 1,052 views
A beam of light is incident upon a flat piece of glass (n = 1.50) at an angle of incidence of 45°. Part of the beam is
1. 0 answers
2. 1,161 views
A beam of light is incident upon a flat piece of glass (n = 1.50) at an angle of incidence of 45°. Part of the beam is
1. 1 answer
2. 780 views
A beam of light is incident upon a flat piece of glass (n = 1.50) at an angle of incidence of 45°. Part of the beam is
1. 0 answers
2. 895 views
Find the radius of a star image formed on the retina of the eye if the aperture (pupil) diameter at night is 0.70 cm and the
1. 0 answers
2. 985 views
Very large capacitors have been considered as a means for storing electrical energy. If we constructed a very large
1. 2 answers
2. 1,312 views
If a doubly-ionized oxygen atom (O–2) is accelerated from rest by going through a potential difference of 20 V, what will be
1. 1 answer
2. 1,001 views
A charge of +3 C is at the origin. When charge Q is placed at 2 m along the positive x‑axis, the electric field at 2 m along
1. 1 answer
2. 834 views
Two charges, +Q and ‑Q, are located two meters apart and there is a point along the line that is equidistant from the two
1. 1 answer
2. 2,497 views
38. A proton initially moves left to right long the ´‑axis at a speed of 2 ´ 103 m/s. It moves into an electric field, which
1. 1 answer
2. 1,084 views

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