Physics Fiber optics cable used in communication, works on the principle of Regular reflection of light Diffuse reflection of light Total internal reflection of light Refraction of light Regular reflection of light Diffuse reflection of light Total internal reflection of light Refraction of light ANSWER DOWNLOAD EXAMIANS APP
Physics Which one of the following is not a property of electromagnetic waves? Electromagnetic waves do not require a medium to propagate. Electromagnetic waves are transverse waves Electromagnetic waves do not show interference and diffraction. Oscillating electric field and magnetic field are perpendicular to each other. Electromagnetic waves do not require a medium to propagate. Electromagnetic waves are transverse waves Electromagnetic waves do not show interference and diffraction. Oscillating electric field and magnetic field are perpendicular to each other. ANSWER DOWNLOAD EXAMIANS APP
Physics Magnetic keepers are pieces of Nickel Soft iron Steel Cobalt Nickel Soft iron Steel Cobalt ANSWER DOWNLOAD EXAMIANS APP
Physics Solar energy is due to Chemical reactions Fission reactions Fusion reactions Combustion reactions Chemical reactions Fission reactions Fusion reactions Combustion reactions ANSWER DOWNLOAD EXAMIANS APP
Physics The filament of electric bulb is made up of : Lead Nichrome Copper Tungsten Lead Nichrome Copper Tungsten ANSWER DOWNLOAD EXAMIANS APP
Physics It is easier to roll a stone up a sloping road than to lift it vertical upwards because Work done in both is same but the rate of doing work is less in rolling. Work done in lifting the stone is equal to rolling it. Work done in rolling a stone is less than in lifting it. Work done in rolling is more than in lifting. Work done in both is same but the rate of doing work is less in rolling. Work done in lifting the stone is equal to rolling it. Work done in rolling a stone is less than in lifting it. Work done in rolling is more than in lifting. ANSWER DOWNLOAD EXAMIANS APP
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