Physics The surface tension of water on adding detergent to it No change Increases Decreases Becomes zero No change Increases Decreases Becomes zero ANSWER DOWNLOAD EXAMIANS APP
Physics A soap bubble shows colours when illuminated with white light. This is due to Interference Polarisation Diffraction Reflection Interference Polarisation Diffraction Reflection ANSWER DOWNLOAD EXAMIANS APP
Physics The optical phenomenon that is primarily responsible for the observation of rainbow on a rainy day is Reflection Interference Dispersion Diffraction Reflection Interference Dispersion Diffraction ANSWER DOWNLOAD EXAMIANS APP
Physics The absolute refractive index of any medium is always: Less than one More than one 1 Less than one More than one 1 ANSWER DOWNLOAD EXAMIANS APP
Physics The force of friction between two surfaces will increase if: Irregularities on both the surfaces are removed The two surfaces are pressed harder A layer of lubricant is kept between the two surfaces Air gap is created between the two surfaces Irregularities on both the surfaces are removed The two surfaces are pressed harder A layer of lubricant is kept between the two surfaces Air gap is created between the two surfaces ANSWER DOWNLOAD EXAMIANS APP
Physics In heating frozen foods in sealed pouches in a microwaves, why do you first poke holes in the pouch? To allow the aroma of the food to come out through the holes To prevent the steam pressure from bursting open the pouch To allow the heat to get into the food through the hole To allow the microwaves to get into the food through the holes To allow the aroma of the food to come out through the holes To prevent the steam pressure from bursting open the pouch To allow the heat to get into the food through the hole To allow the microwaves to get into the food through the holes ANSWER DOWNLOAD EXAMIANS APP
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