Physics Intensity of any wave is proportional to which of the following? Square of amplitude Amplitude Square root of amplitude Cube of amplitude Square of amplitude Amplitude Square root of amplitude Cube of amplitude ANSWER DOWNLOAD EXAMIANS APP
Physics To resolve an object in an electron microscope, None of these The wavelength of the electrons must be greater than the diameter of the object. Both A & B The wavelength of the electrons must be close to the diameter of the object None of these The wavelength of the electrons must be greater than the diameter of the object. Both A & B The wavelength of the electrons must be close to the diameter of the object ANSWER DOWNLOAD EXAMIANS APP
Physics What is the resistance (in ohm) of an electrical component if a current of 0.1 A passes through it on application of 5 V of potential difference across it? 1 50 100 0.5 1 50 100 0.5 ANSWER DOWNLOAD EXAMIANS APP
Physics In which of the following processes is energy released ? Absorption Photosynthesis Respiration Ingestion Absorption Photosynthesis Respiration Ingestion ANSWER DOWNLOAD EXAMIANS APP
Physics Why are we able to hear short wave broadcasts better than long wave broadcasts ? By convention, short waves are meant for long distances, whereas long waves are reserved for short distances. Short waves are unaffected by atmospheric disturbances. Short wave broadcasts are made by nearby radio stations. Short waves are more energetic than long waves. By convention, short waves are meant for long distances, whereas long waves are reserved for short distances. Short waves are unaffected by atmospheric disturbances. Short wave broadcasts are made by nearby radio stations. Short waves are more energetic than long waves. ANSWER DOWNLOAD EXAMIANS APP
Physics Which, of the following radiations has the least wavelength ? B-rays G-rays X-rays A-rays B-rays G-rays X-rays A-rays ANSWER DOWNLOAD EXAMIANS APP