Physics A metal plate with a circular hole at the centre is heated. What will happen to the area of the hole ? Remain constant Dacrease Will increase first and then dcrease Increase Remain constant Dacrease Will increase first and then dcrease Increase ANSWER DOWNLOAD EXAMIANS APP
Physics In ________ motion of a body its velocity varies with time. Equilibrium Non-uniform Uniform Linear Equilibrium Non-uniform Uniform Linear ANSWER DOWNLOAD EXAMIANS APP
Physics Analog synthesis refers to a technology based on Representing physical quantities as numbers. Placing brief digital recordings of live sounds under the control of a synthesizer keyboard. Representing data in terms of measurable physical quantities. Interfacing synthesizer equipment. Representing physical quantities as numbers. Placing brief digital recordings of live sounds under the control of a synthesizer keyboard. Representing data in terms of measurable physical quantities. Interfacing synthesizer equipment. ANSWER DOWNLOAD EXAMIANS APP
Physics What is the wavelength of visible spectrum ? 7800 A° – 8000 A° 3900 A° – 7600 A° 8500 A° – 9800 A° 1300 A°–3000 A° 7800 A° – 8000 A° 3900 A° – 7600 A° 8500 A° – 9800 A° 1300 A°–3000 A° ANSWER DOWNLOAD EXAMIANS APP
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 3.3 km, 0.30 km 2.2 km, 0.20 km 2.8 km, 0.25 km 1.8 km, 0.15 km 3.3 km, 0.30 km 2.2 km, 0.20 km 2.8 km, 0.25 km ANSWER DOWNLOAD EXAMIANS APP
Physics When light passes from one medium to another, this phenomenon of change in its direction is called ________ Diffraction Propagation Refraction No option is correct Diffraction Propagation Refraction No option is correct ANSWER DOWNLOAD EXAMIANS APP