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Will there be any change in hz of sound if two vibrating body has the similar hz
Ans) Yes it depends on the path difference among them...
Like in destructive inteference u hear no sound..but in constructive intereference the intensity is maximum..
Find amplitude of electric field ina parallel beam of light of intensity 2W/m2 Ans: Given that intensity I=power/area=2W/M2 by using this formula :intensity I=(Emax^2/2c mue not
Question: Portray is a principal ray for the case of a concave lens. Where does it depart from here? Ans: In the situation of a diverging lens there is a ray that
Fresnel''s diffraction due to a straight edge?
Doppler Effect: Wave Fronts Describing the wave fronts of a wave for a moving source. The Doppler effect is a phenomenon experiential whenever the source of waves is moving al
how to use instruments like Vernier calipers and micro screw gauge to measure round objects
In a Newton's rings arrangement the diameter of a bright ring is 0.5cm. Determine the diameter of ring if the lens placed on the plane glass plate is replaced by another one having
Suppose you blow the top of a bottle and hear a resonance sound (standing wave). The length of the bottle is about 25cm. If the speed of sound in air is about 340 cm/sec., what i
A model elevator A working model of an elevator can simply be made from easy materials. For the rotating drums or sheaves, metal coffee tin will do. With a hammer and a big nai
note
Newtons law of inertia Truck and Ladder As per to Newton's first law, an object in motion continues within motion along with the similar speed and in the similar direction unle
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