Physics Why is it difficult to breathe at higher altitudes? Due to low temperature Due to ozone Due to low air pressure Due to high humidity Due to low temperature Due to ozone Due to low air pressure Due to high humidity ANSWER DOWNLOAD EXAMIANS APP
Physics The wavelength of a wave is the distance between Crest and Trough Trough and Trough Crest and Crest Both B & C Crest and Trough Trough and Trough Crest and Crest Both B & C ANSWER DOWNLOAD EXAMIANS APP
Physics Heat from the Sun reaches the Earth by Convection Reflection Conduction Radiation Convection Reflection Conduction Radiation ANSWER DOWNLOAD EXAMIANS APP
Physics Negative feedback in amplifiers Decreases bandwidth and decreases noise Increases bandwidth and increases noise Increases bandwidth and decreases noise Decreases bandwidth and increases noise Decreases bandwidth and decreases noise Increases bandwidth and increases noise Increases bandwidth and decreases noise Decreases bandwidth and increases noise ANSWER DOWNLOAD EXAMIANS APP
Physics Lakes freeze in cold countries in winter, leaving the water underneath at 4°F 0°F 0°C 4°C 4°F 0°F 0°C 4°C ANSWER DOWNLOAD EXAMIANS APP
Physics Bending of light rays in denser medium is termed as: Dispersion Reflection Refraction Deflection Dispersion Reflection Refraction Deflection ANSWER DOWNLOAD EXAMIANS APP
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