Physics
Two sound waves X and Y have same amplitude and same wave pattern, but their frequencies are 60 Hz and 120 Hz respectively, then:
- X will be shriller and Y will be grave
- X will be grave and Y will be shriller
- X will differ in quality than Y
- X is louder than Y.
Related Questions
Assertion: Infrared radiations travel long distances through dense fog and mist.
Reason: Infrared radiations undergoes minimal scattering in earth's atmosphere
- both assertion and reason are true.
- both assertion and reason are false.
- assertion is false but reason is true.
- assertion is true reason is false.
Vibrations produced in a body under the influence of the periodic force is;
- forced vibrations
- resonant vibrations
- damped vibrations
- sympathetic vibrations
For a convex lens, the minimum distance between an object and its real image in terms of focal length (f) of a given lens must be:
- 1.5 f
- 2.5 f
- 2 f
- 4 f
The graph of voltage vs current for four different materials is shown below.
Which of these four materials would be used for making the coil of a toaster?
- Q
- S
- P
- R