Explanation:
It is given that,
The horizontal and vertical component of velocity of an electron is:
The magnetic field acting there is given by :
(a) The magnitude of the magnetic force on the electron is given by :
q = e
(b) We know that the charge on proton is :
The magnetic force as same as for electron but the direction is opposite i.e.
Hence, this is the required solution.
Answer:
F = 0.5 mN
Explanation:
The full solved solution is in the attach document.
Answer:
Hearing range describes the range of frequencies that can be heard by humans or other animals, though it can also refer to the range of levels. The human range is commonly given as 20 to 20,000 Hz, although there is considerable variation between individuals, especially at high frequencies, and a gradual loss of sensitivity to higher frequencies with age is considered normal. Sensitivity also varies with frequency, as shown by equal-loudness contours. Routine investigation for hearing loss usually involves an audiogram which shows threshold levels relative to a normal.
Several animal species are able to hear frequencies well beyond the human hearing range. Some dolphins and bats, for example, can hear frequencies up to 100,000 Hz. Elephants can hear sounds at 14–16 Hz, while some whales can hear infrasonic sounds as low as 7 Hz (in water).
Explanation:
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A change in internal energy causes work to be done and heat to flow into the system
Answer:
The international system of units otherwisely known as SI is widely used and accepted all over the globe while English system of measurement is only used by the British this limits their usage as it is applied in few part of the world which is Britain.
Both units are form of measurement being used for evaluating measurement
Explanation:
