Physics Ozone layer in the outer atmosphere helps us in Absorbing UV radiations Absorbing cosmic ray particles Reflecting radio waves and makes radio communication possible Regulating the temperature of atmosphere Absorbing UV radiations Absorbing cosmic ray particles Reflecting radio waves and makes radio communication possible Regulating the temperature of atmosphere ANSWER DOWNLOAD EXAMIANS APP
Physics When a number of resistors are connected in series in a circuit, the value of current: Remains the same Becomes half Decreases Increases Remains the same Becomes half Decreases Increases ANSWER DOWNLOAD EXAMIANS APP
Physics The propagation of sound waves in a gas involves Isochoric compression and rarefaction Isothermal compression and rarefaction Adiabatic compression and rarefaction Isobaric compression and rarefaction Isochoric compression and rarefaction Isothermal compression and rarefaction Adiabatic compression and rarefaction Isobaric compression and rarefaction ANSWER DOWNLOAD EXAMIANS APP
Physics Certain substances loose their electrical resistance completely at super low temperature. Such substances are called. Dielectrics Perfect conductors Semi conductors Superconductors Dielectrics Perfect conductors Semi conductors Superconductors ANSWER DOWNLOAD EXAMIANS APP
Physics Materials for rain-proof coats and tents owe their water-proof properties to specific gravity elasticity surface tension viscosity specific gravity elasticity surface tension viscosity ANSWER DOWNLOAD EXAMIANS APP
Physics Why does bleeding occur through the nose in high mountainous regions ? The blood pressure of a person increases at high altitudes The pressure at high altitudes is greater than that on the plains The pressure of blood in capillaries is greater than the outside pressure The blood pressure fluctuates and finally decreases drastically The blood pressure of a person increases at high altitudes The pressure at high altitudes is greater than that on the plains The pressure of blood in capillaries is greater than the outside pressure The blood pressure fluctuates and finally decreases drastically ANSWER DOWNLOAD EXAMIANS APP
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