Physics When a vibrating tuning fork is placed on a table, a loud sound is heard. This is due to : Forced vibrations Reflection Damped vibrations Refraction Forced vibrations Reflection Damped vibrations Refraction ANSWER DOWNLOAD EXAMIANS APP
Physics A wavelength of 0.3 m is produced in air and it travels at a speed of 300 m/s. Then it will be an Audible wave Microwave Infrasonic wave Ultrasonic wave Audible wave Microwave Infrasonic wave Ultrasonic wave ANSWER DOWNLOAD EXAMIANS APP
Physics Ball bearings are used in cycles, scooters etc to None of these Reduce the friction between the wheel and the axle Increase the friction between the wheel and the axle Reduce the friction between ground and the whee None of these Reduce the friction between the wheel and the axle Increase the friction between the wheel and the axle Reduce the friction between ground and the whee ANSWER DOWNLOAD EXAMIANS APP
Physics Pressure Cooker cooks faster because It cooks the food at low pressure Higher temperature is attained for cooking The material of the cooker is a good conductor Boiling point decreases with rise of pressure It cooks the food at low pressure Higher temperature is attained for cooking The material of the cooker is a good conductor Boiling point decreases with rise of pressure ANSWER DOWNLOAD EXAMIANS APP
Physics Which of the following property of sound is affected by change in air temperature? Amplitude Intensity Frequency Wavelength Amplitude Intensity Frequency Wavelength ANSWER DOWNLOAD EXAMIANS APP
Physics After removing two electrons from helium atom it become? UV rays Alpha particle X rays Gama particle UV rays Alpha particle X rays Gama particle ANSWER DOWNLOAD EXAMIANS APP
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