Physics Which of the following characteristics of light remains unchanged when light travels from vaccum enters water Wavelength Amplitude Frequency Speed Wavelength Amplitude Frequency Speed ANSWER DOWNLOAD EXAMIANS APP
Physics Which one of the following wavelengths of light is most effective in photosynthesis ? Blue Yellow Orange Green Blue Yellow Orange Green ANSWER DOWNLOAD EXAMIANS APP
Physics The bending of light when it passes around a corner or a slit is due to ________ Refraction Reflection Total internal reflection Diffraction Refraction Reflection Total internal reflection Diffraction ANSWER DOWNLOAD EXAMIANS APP
Physics Nuclear sizes are expressed in a unit named Fermi Tesla Angstrom Newton Fermi Tesla Angstrom Newton 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 5 R/4 5 R R/5 4 R/5 5 R/4 5 R R/5 4 R/5 ANSWER DOWNLOAD EXAMIANS APP
Physics Solids which conduct electricity at higher temperature but not at lower temperature are called Metallic-conductor Super-conductor Insulator Semi-conductor Metallic-conductor Super-conductor Insulator Semi-conductor ANSWER DOWNLOAD EXAMIANS APP
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