Physics Sound produced at a point is heard by a person after 5 second, while the same sound is heard by another person after 6 seconds. If the speed of sound is 300 m/s, what could be the maximum and minimum distances between the two persons? 1.8 km, 0.15 km 2.2 km, 0.20 km 3.3 km, 0.30 km 2.8 km, 0.25 km 1.8 km, 0.15 km 2.2 km, 0.20 km 3.3 km, 0.30 km 2.8 km, 0.25 km ANSWER DOWNLOAD EXAMIANS APP
Physics A transformer works on the principle of Mutual induction Generator Self induction Inverter Mutual induction Generator Self induction Inverter ANSWER DOWNLOAD EXAMIANS APP
Physics According to Rutherford's atomic model, the electrons inside an atom are None of these Not Stationary Centralized Stationary None of these Not Stationary Centralized Stationary ANSWER DOWNLOAD EXAMIANS APP
Physics A black body can absorb radiations of : All wavelengths Lower wavelengths only Higher wavelengths only Intermediate wavelengths only All wavelengths Lower wavelengths only Higher wavelengths only Intermediate wavelengths only ANSWER DOWNLOAD EXAMIANS APP
Physics The focal length of a concave mirror with a radius of curvature of 20.0 cm is : 10 cm 15 cm 5 cm 20 cm 10 cm 15 cm 5 cm 20 cm ANSWER DOWNLOAD EXAMIANS APP
Physics Which is best used as a sound absorbing material in partition walls ? Stone chips Glass - wool Glass pieces Steel Stone chips Glass - wool Glass pieces Steel ANSWER DOWNLOAD EXAMIANS APP
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