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NemiM [27]
3 years ago
8

3. Categorize each statement as true or false. True False as the fringe order increase for a diffraction grating the fringe brig

htness decreases
Physics
1 answer:
o-na [289]3 years ago
3 0

Answer:

True

Explanation:

According to the given situation, the statement is correct as it is secondary maxima of declining strength in the diffraction pattern.

Therefore, the fringe brightness decreases, the fringe order increase for a diffraction grating. So, the right answer is true.

So from the above explanation, the given statement is true

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30 PTS
tigry1 [53]
Spreads out in the medium, first choice
7 0
3 years ago
A projectile falls beneath the straight-line path it would follow if there were no gravity. How many meters does it fall below t
maria [59]

Answer:

Explanation:

Suppose v is the initial velocity and \theta is the angle of inclination

distance traveled in vertical direction in t=1 s

When gravity is present

y=vt+\frac{1}{2}at^2

where y=vertical\ distance

a=acceleration

t=time

v=initial\ velocity

here initial velocity is v\sin \theta [/tex] so

y=v\sin \theta \times 1-\frac{1}{2}gt^2

y=v\sin \theta -0.5g

In absence of gravity

y_2=v\sin \theta \times t

y_2=v\sin \theta \times 1

\Delta y=y_2-y=v\sin \theta -v\sin \theta +0.5 g=4.9\ m

         

4 0
3 years ago
Wha is the movement of the balloon when brought near to the can after removing your hand?​
DIA [1.3K]

Answer:

the answer is static electricity

3 0
3 years ago
When baking soda and vinegar are mixed together bubbles form and the vinegar and baking soda are changed into new chemicals. Thi
nadya68 [22]

Answer:

A. Chemical change

Explanation:

When vinegar and baking soda are first mixed together, hydrogen ions in the vinegar react with the sodium and bicarbonate ions in the baking soda. The result of this initial reaction is two new chemicals: carbonic acid and sodium acetate.

3 0
3 years ago
A group of bike riders took a 4 hour trip. During the first 3 hours, they traveled a total of 50 km, but
zlopas [31]

Answer:

15km/hr

Explanation:

The average speed for the entire trip is the sum of the total distance traveled divided by the total time of the trip.

Total time  = 4hr

distance for the first 3hrs  = 50km

distance for the last 1hr  = 10km

  Total distance  = 50km + 10km  = 60km

Now;

  Average speed  = \frac{total distance }{time taken}  

 Insert the parameters and solve;

 Average speed  = \frac{60km}{4hr}   = 15km/hr

7 0
3 years ago
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