Physics The cover of a solar cooker is made of glass because It rediates heat better than metals It absorbs sun's rays It reflects sun's rays It retains the heat inside by the green house effect It rediates heat better than metals It absorbs sun's rays It reflects sun's rays It retains the heat inside by the green house effect ANSWER DOWNLOAD EXAMIANS APP
Physics If lift is going up with acceleration, the apparent weight of a body is More than the true weight Less than the true weight May be more or less than true weight Equal to the true weight More than the true weight Less than the true weight May be more or less than true weight Equal to the true weight ANSWER DOWNLOAD EXAMIANS APP
Physics A parallel-plate capacitor,with air in between the plates, has capacitance C. Now the space between the two plates of the capacitor is filled with a dielectric of dielectric constant 7. Then the value of the capacitance will become C/7 14C 7C C C/7 14C 7C C ANSWER DOWNLOAD EXAMIANS APP
Physics Which determines the frequency of a sound wave? Medium Speed Amplitude Source Medium Speed Amplitude Source ANSWER DOWNLOAD EXAMIANS APP
Physics The filament of electric bulb is made up of : Lead Copper Tungsten Nichrome Lead Copper Tungsten Nichrome ANSWER DOWNLOAD EXAMIANS APP
Physics Rainbows are produced when sunlight : None of the given statements is correct. Incident on raindrops hanging in the atmosphere is dispresed after suffering reflection. Incident on rain drops hanging in the atmosphere is dispersed after suffering refraction Incident on rain drops hanging in the atmosphere is dispersed after suffering refraction and internal reflection. None of the given statements is correct. Incident on raindrops hanging in the atmosphere is dispresed after suffering reflection. Incident on rain drops hanging in the atmosphere is dispersed after suffering refraction Incident on rain drops hanging in the atmosphere is dispersed after suffering refraction and internal reflection. ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS