Physics What is the wavelength of visible spectrum ? 3900 A° – 7600 A° 8500 A° – 9800 A° 7800 A° – 8000 A° 1300 A°–3000 A° 3900 A° – 7600 A° 8500 A° – 9800 A° 7800 A° – 8000 A° 1300 A°–3000 A° ANSWER DOWNLOAD EXAMIANS APP
Physics The information of brilliant colors in a thin soap film is a consequence of the phenomena of Diffraction and dispersion Multiple refraction and dispersion Polarization and interference Multiple reflection and interference Diffraction and dispersion Multiple refraction and dispersion Polarization and interference Multiple reflection and interference ANSWER DOWNLOAD EXAMIANS APP
Physics Siphon will fail to work if: The densities of the liquid in the two vessels are equal. The level of the liquid in the two vessels are at the same height. Both its limbs are of unequal length. The temperature of the liquids in the two vessels are the same. The densities of the liquid in the two vessels are equal. The level of the liquid in the two vessels are at the same height. Both its limbs are of unequal length. The temperature of the liquids in the two vessels are the same. ANSWER DOWNLOAD EXAMIANS APP
Physics A copper wire of radius r and length l has a resistance of R. A second copper wire with radius 2r and length l is taken and the two wires are joined in a parallel combination. The resultant resistance of the parallel combination of the two wires will be 4 R/5 R/5 5 R 5 R/4 4 R/5 R/5 5 R 5 R/4 ANSWER DOWNLOAD EXAMIANS APP
Physics Which of these is not a simple machine? A ramp A pair of scissors The pulley A lever A ramp A pair of scissors The pulley A lever ANSWER DOWNLOAD EXAMIANS APP
Physics Pycnometer is an instrument used to measure the High temperatures Intensity of earthquake Intensity of solar radiation Density High temperatures Intensity of earthquake Intensity of solar radiation Density ANSWER DOWNLOAD EXAMIANS APP
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