Physics In heating frozen foods in sealed pouches in a microwaves, why do you first poke holes in the pouch? 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 To allow the aroma of the food to come out through the holes ANSWER DOWNLOAD EXAMIANS APP
Physics A good conductor while carrying current is Electrically neutral Alternately charged positive and negative Positively charged Negatively charged Electrically neutral Alternately charged positive and negative Positively charged Negatively charged ANSWER DOWNLOAD EXAMIANS APP
Physics Which type of reaction produces the most harmful radiation ? Photo-Chemical reaction Fission reaction Fusion reaction Chemical reaction Photo-Chemical reaction Fission reaction Fusion reaction Chemical reaction ANSWER DOWNLOAD EXAMIANS APP
Physics Water is not suitable as a calorimetric substance because it : Has high boiling point Is a good conductor Has high specific heat Low latent heat of vapourization Has high boiling point Is a good conductor Has high specific heat Low latent heat of vapourization ANSWER DOWNLOAD EXAMIANS APP
Physics Fibre optics work on the principle of Scattering of light Total internal absorption Optical rotation Total internal reflection Scattering of light Total internal absorption Optical rotation Total internal reflection ANSWER DOWNLOAD EXAMIANS APP
Physics The sky appears blue because of Scattering of light Reflection on sea water Atmospheric water vapour Emision of blue wavelength by the sun Scattering of light Reflection on sea water Atmospheric water vapour Emision of blue wavelength by the sun ANSWER DOWNLOAD EXAMIANS APP
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