Physics If the phase difference between two points is 120° for a wave with velocity of 360 m/s and frequency 500 Hz, then path difference between the two points is 12 cm 24 cm 6 cm 1 cm 12 cm 24 cm 6 cm 1 cm ANSWER DOWNLOAD EXAMIANS APP
Physics Which of the following has the shortest wavelength? Radio waves Infrared rays Microwaves Gamma rays Radio waves Infrared rays Microwaves Gamma rays ANSWER DOWNLOAD EXAMIANS APP
Physics The bats can fly in the dark because They can see the objects in darkness They generate flashes of light They have weak legs and are likely to be attacked by predators They generate ultrasonic sound waves They can see the objects in darkness They generate flashes of light They have weak legs and are likely to be attacked by predators They generate ultrasonic sound waves ANSWER DOWNLOAD EXAMIANS APP
Physics Ventilators are provided near the ceiling of the room because The exhaled warmer air rises up and goes out These provide some sunlight in the room These provide cross ventilation in the room These do not look nice in the lower part The exhaled warmer air rises up and goes out These provide some sunlight in the room These provide cross ventilation in the room These do not look nice in the lower part ANSWER DOWNLOAD EXAMIANS APP
Physics Radiocarbon dating technique is used to estimate the age of rocks monuments soil fossils rocks monuments soil fossils ANSWER DOWNLOAD EXAMIANS APP
Physics The velocity of the sound is highest in Air Vacuum Metal Water Air Vacuum Metal Water ANSWER DOWNLOAD EXAMIANS APP