Physics Outside of cooking utensils are generally left black from below because Black surface is a good absorber of heat. It is difficult to clean daily. Black surface is a good conductor of heat. Black surface is a poor conductor of heat. Black surface is a good absorber of heat. It is difficult to clean daily. Black surface is a good conductor of heat. Black surface is a poor conductor of heat. ANSWER DOWNLOAD EXAMIANS APP
Physics Why the needle of iron swims on water surface when it is kept gently ? The density of needle is less than that of water Due to surface tension Due to its shape It will remain under the water, when it will displace more water than its weight The density of needle is less than that of water Due to surface tension Due to its shape It will remain under the water, when it will displace more water than its weight ANSWER DOWNLOAD EXAMIANS APP
Physics An oil drop spreads over water because Oil does not mix with water water has a higher surface tension Oil is lighter than water Oil is more viscous Oil does not mix with water water has a higher surface tension Oil is lighter than water Oil is more viscous ANSWER DOWNLOAD EXAMIANS APP
Physics A tennis ball machine serves a ball vertically into the air from a height of 2 feet, with an initial speed of 110 feet per second. After how many seconds does the ball attain its maximum height? 4.65 sec 2.87 sec 5.41 sec 3.44 sec 4.65 sec 2.87 sec 5.41 sec 3.44 sec ANSWER DOWNLOAD EXAMIANS APP
Physics What is the SI unit of Power? Watt Newton Boyle Pascal Watt Newton Boyle Pascal ANSWER DOWNLOAD EXAMIANS APP
Physics A mirage occurs because of Total internal reflection by layers of air Diffraction of light Reflection by hot ground Interference of light Total internal reflection by layers of air Diffraction of light Reflection by hot ground Interference of light ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS