Physics The earth is a Good absorber and good radiator of heat Non-absorber of heat Good reflector of heat Bad absorber and bad radiator of heat Good absorber and good radiator of heat Non-absorber of heat Good reflector of heat Bad absorber and bad radiator of heat ANSWER DOWNLOAD EXAMIANS APP
Physics Lightning is produced when Similar charges of electricity rush towards each other and then get repelled Water vapour produces electricity in the clouds Clouds strike against impurities in air and the friction burns up these impurities Strong opposite charges in different clouds break down the resistance offered by the intervening air Similar charges of electricity rush towards each other and then get repelled Water vapour produces electricity in the clouds Clouds strike against impurities in air and the friction burns up these impurities Strong opposite charges in different clouds break down the resistance offered by the intervening air ANSWER DOWNLOAD EXAMIANS APP
Physics Bandwidth is the None of these Both a & b A measure of the width of a range of frequencies The rate of data transfer None of these Both a & b A measure of the width of a range of frequencies The rate of data transfer ANSWER DOWNLOAD EXAMIANS APP
Physics What is the wavelength of visible spectrum ? 1300 A°–3000 A° 7800 A° – 8000 A° 3900 A° – 7600 A° 8500 A° – 9800 A° 1300 A°–3000 A° 7800 A° – 8000 A° 3900 A° – 7600 A° 8500 A° – 9800 A° ANSWER DOWNLOAD EXAMIANS APP
Physics Radiocarbon dating technique is used to estimate the age of rocks monuments fossils soil rocks monuments fossils soil ANSWER DOWNLOAD EXAMIANS APP
Physics Find the power of a convex lens if the image formed is at a distance of 25 cm from the lens when the object is placed on the other side of the lens at 12 cm from the optical centre? -12.33 diopters 12.33 diopters -4.33 diopters 4.33 diopters -12.33 diopters 12.33 diopters -4.33 diopters 4.33 diopters ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS