Distance between bholu and golu house house 9 km . bholu has to attend golu birthday party at 7am . he started from his home at
2 answers:
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The acceleration due to gravity of the planet X is 1 m/s².
The given parameters;
- height above the ground, h = 100 m
- initial velocity of the rock, u = 15 m/s
- time of motion of the rock, t = 10 s
The acceleration due to gravity is calculated as follows;
Thus, the acceleration due to gravity of the planet X is 1 m/s²
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Answer:
A.2.95 m
B.7
Explanation:
We are given that
Diffraction grating=600 lines/mm
d=
Wavelength of light,
l=4.6 m
A.We have to find the distance between the two m=1 bright fringes
For first bright fringe, =1
The distance between two m=1 fringes
Hence, the distance between two m=1 fringes=2.95 m
B.For maximum number of fringes,
Substitute the values
Maximum number of bright fringes on the scree=