Physics Permissible noise level at Residential area during night time is : 45 dB (A) 80 dB (A) 55 dB (A) 75 dB (A) 45 dB (A) 80 dB (A) 55 dB (A) 75 dB (A) ANSWER DOWNLOAD EXAMIANS APP
Physics The spring balance works on the principle of ________ . Boyle's Law Bernoulli's principle Pascal's Law Hooke's Law Boyle's Law Bernoulli's principle Pascal's Law Hooke's Law ANSWER DOWNLOAD EXAMIANS APP
Physics Which of the following waves cannot be polarised? Radio Ultrasonic Ultra violet Infrared Radio Ultrasonic Ultra violet Infrared ANSWER DOWNLOAD EXAMIANS APP
Physics Dynamo is a device for converting Heat energy into electrical energy Magnetic energy into electrical energy Chemical energy into electrical energy Mechanical energy into electrical energy Heat energy into electrical energy Magnetic energy into electrical energy Chemical energy into electrical energy Mechanical energy into electrical energy ANSWER DOWNLOAD EXAMIANS APP
Physics Woollen cloth protects the body from cold because It is a good conductor of heat It reflects heat It is a poor conductor of heat External heat rays enter into the body through the woollen cloth It is a good conductor of heat It reflects heat It is a poor conductor of heat External heat rays enter into the body through the woollen cloth ANSWER DOWNLOAD EXAMIANS APP
Physics The velocity of falling rain drops attains a terminal value because of Surface tension Viscous force exerted by air Upward thrust due to air Air current Surface tension Viscous force exerted by air Upward thrust due to air Air current ANSWER DOWNLOAD EXAMIANS APP