Answer:
462 nm
Explanation:
Given: width of the slit, d = 5.6 × 10⁻⁴ m
Distance of the screen, D = 4.0 m
Fringe width, β = 3.3 mm = 3.3 × 10⁻³ m
First dark fringe means n =1
Wavelength of the light, λ = ?
Answer:
Gloria is the anglicized form of the Latin feminine given name gloriae (Latin pronunciation: ['gloːria]), meaning immortal glory; glory, fame, renown, praise, honor.
Explanation:
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Answer:

Explanation:
Equation of the rocket is,

Here, v' is the relative velocity of rocket.
In space F is zero.
So,

Now the momentum can be obtained by multiply by m on both sides.

Now for maxima, 

Now,

Therefore, the mass of the rocket while having maximum momentum is 
Answer:
When object is placed between the focus (F) and pole (P) of a concave mirror, magnified and erect image of the object is formed on the back of the mirror.
When object is placed between the centre of curvature and the principal focus of a concave mirror, magnified and inverted image is formed in front of the mirror.
Explanation:
Answer: Newton's third law
Formally stated, Newton's third law is: For every action, there is an equal and opposite reaction. The statement means that in every interaction, there is a pair of forces acting on the two interacting objects. The size of the forces on the first object equals the size of the force on the second object.
Explanation: