Physics Man perceives sound vibrations in the frequency ranges of 20 – 20000 Hz 11 – 20 Hz 6 – 10 Hz 0 – 5 Hz 20 – 20000 Hz 11 – 20 Hz 6 – 10 Hz 0 – 5 Hz ANSWER DOWNLOAD EXAMIANS APP
Physics When a constant force acts on an object with a mass of 8 kg for a duration of 3 s. it increases the object's velocity from 4 m/s to 6 m/s . What is the magnitude of the applied force? 6.33 N 3.33 N 5.33 N 4.33 N 6.33 N 3.33 N 5.33 N 4.33 N ANSWER DOWNLOAD EXAMIANS APP
Physics The fundamental scientific principle in the operation of battery is Acid-base interaction Dissociation of electrolytes Dialysis Oxidation-reduction Acid-base interaction Dissociation of electrolytes Dialysis Oxidation-reduction ANSWER DOWNLOAD EXAMIANS APP
Physics Rainbows are produced when sunlight : None of the given statements is correct. Incident on raindrops hanging in the atmosphere is dispresed after suffering reflection. Incident on rain drops hanging in the atmosphere is dispersed after suffering refraction Incident on rain drops hanging in the atmosphere is dispersed after suffering refraction and internal reflection. None of the given statements is correct. Incident on raindrops hanging in the atmosphere is dispresed after suffering reflection. Incident on rain drops hanging in the atmosphere is dispersed after suffering refraction Incident on rain drops hanging in the atmosphere is dispersed after suffering refraction and internal reflection. ANSWER DOWNLOAD EXAMIANS APP
Physics A bomb at rest explodes into a large number of tiny fragments. The total momentum of all the fragments Depends on the total mass of all the fragments Is zero Depends on the speeds of various fragments Is infinity Depends on the total mass of all the fragments Is zero Depends on the speeds of various fragments Is infinity ANSWER DOWNLOAD EXAMIANS APP
Physics Which of the following parts of the sunlight makes the solar cooker hot ? Ultra violet Cosmic rays Infra red Red light Ultra violet Cosmic rays Infra red Red light ANSWER DOWNLOAD EXAMIANS APP