Basic Science MCQ-3
1._________is the comparison of an unknown quantity with a known standard quantity of same kind. a) Length b) Measurement c) […]
1._________is the comparison of an unknown quantity with a known standard quantity of same kind. a) Length b) Measurement c) […]
1. During refraction of light, which of the following quantities change? a) Frequency b) Phase c) Speed d) Wavelength 2.