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WorksheetsPHYSICS
Total questions: 11
Worksheet time: 14mins
The harmonics which are present in a pipe ,open at one end are
odd harmonics
even harmonics
even as well as odd harmonics
no harmonics
The number of vibrations per unit time is called the _____ of the sound wave.
Amplitude
Pitch
Time period
Frequency
When a conductor is moved to cut through the magnetic flux, an _______________ is produced.
induced current
electromotive force
electromagnetic induction
internal resistance
____________law states that the direction of the induced current is such that it always _______ ___ the change producing it.
Lenz's Law, oppose
Faraday's Law, oppose
Lez's Law, follow
Faraday's Law, follow
Photoelectric effect provides the evidence for the ______ nature of radiation.
dual
wave
particle
electromagnetic
If the brightness of a beam of light increases without changing its color, the ______ will increase.
number of photons
frequency of the light
energy of the photons
wavelength of the photons
