Physics Lakes freeze in cold countries in winter, leaving the water underneath at 4°F 0°C 4°C 0°F 4°F 0°C 4°C 0°F ANSWER DOWNLOAD EXAMIANS APP
Physics The ringing of an electric bell in an enclosed evacuated glass bell jar is not heard outside because There is no air or any other gas in the bell jar The bell jar is too small The ringing is not loud enough The glass of the bell jar absorbs the sound waves There is no air or any other gas in the bell jar The bell jar is too small The ringing is not loud enough The glass of the bell jar absorbs the sound waves ANSWER DOWNLOAD EXAMIANS APP
Physics The spring balance works on the principle of ________ . Hooke's Law Boyle's Law Bernoulli's principle Pascal's Law Hooke's Law Boyle's Law Bernoulli's principle Pascal's Law ANSWER DOWNLOAD EXAMIANS APP
Physics The propagation of sound waves in a gas involves Isobaric compression and rarefaction 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 ANSWER DOWNLOAD EXAMIANS APP
Physics The waveform of a certain signal can be studied by P – n junction diode Spectrometer Cathode ray oscilloscope Sonometer P – n junction diode Spectrometer Cathode ray oscilloscope Sonometer ANSWER DOWNLOAD EXAMIANS APP
Physics Which type of mirror is used in the head lights of vehicles ? Plane mirror Convex mirror Parabolic mirror Concave mirror Plane mirror Convex mirror Parabolic mirror Concave mirror ANSWER DOWNLOAD EXAMIANS APP
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