A glass plate 2.5 cm long is separated from another glass plate by a strand of someone's hair (diameter 0.010 mm). How far apart are the adjacent interference bands when viewed with light of wavelength 600 nm?
What will be an ideal response?
0.75 mm
Physics & Space Science
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A point source emits sound waves with a power output of 100 watts. What is the sound level (in dB) at a distance of 10 m?
a. 139 b. 119 c. 129 d. 109 e. 10
Physics & Space Science
A car travels around 200 m radius flat curve at 40 m/s at constant speed. What is the minimum static coefficient of friction which allows it to travel at this speed without sliding?
A) 1.23 B) 0.815 C) 0.736 D) 0.952 E) 0.662
Physics & Space Science
The real image of an object is located 35.0 cm away from a concave mirror, which has a focal length of 10.0 cm. How far is the object from the mirror?
a. 40.0 cm c. 14.0 cm b. 35.0 cm d. 12.9 cm
Physics & Space Science
What is meant by mixed flow? How is it different from unmixed flow?
What will be an ideal response?
Physics & Space Science