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2 years ago

Differentiate between concave and convex lens. Write your own answer

Physics

2 answers:

Katyanochek1 [597]2 years ago

6 0

Answer:

A concave lens is thinner at the center and thicker at the edges while a convex lens is thicker at the centre and thinner at the edges.

Anestetic [448]2 years ago

3 0

Answer:

Read below.

Explanation:

Convex lenses: have a thicker centre than their edges. Converges light rays to a point.

Concave lenses: have thicker edges than their centre. Diverges the light rays passing through it.

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A voltage amplifier with an input resistance of 40k ohms, an output resistance of 100 ohms, and a gain of 300 V/V is connected b

AfilCa [17]

Answer:

89.45 v/v

Explanation:

Let's take the data:

First draw the amplifier circuit.

After the circuit, the voltage division rule can be used to compute the parameters:

The input section is computed like this: $\frac{R_{in} }{(R_{sig} + R_{in} } (v_{sig})$

The output section is computed like this $R_{L}/ (R_out} + R_{in} )$

The product A $V_{in} V_{out}$ gives

A $V_{in} V_{out}$ = A× $\frac{R_{in} }{(R_{sig} + R_{in} } (v_{sig})$ × $R_{L}/ (R_out} + R_{in} )$

Computing gives output voltage = 89.45 v/v

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3 years ago

Does decomposing water require high activation energy

skelet666 [1.2K]

decomposing water does not require High activation energy

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3 years ago

Determine weather or not the equation below is balanced.

Liula [17]

Answer:

Yep.. It's balanced and its a combination reaction

Explanation:

Reactants : S₈ + 24F₂

Product 8SF₆

8 0

3 years ago

Name 2 common methods of polymerization.

navik [9.2K]

Answer: Addition polymerization & Condensation polymerization

6 0

3 years ago

Place gamma rays, infrared, microwaves, radio waves, ultraviolet, visible light, and x-rays in order from largest wavelength to

Brums [2.3K]

Answer:

Going by EM SPECTRUM WE HAVE

radio waves, microwaves, infrared, VISIBLE LIGHT, ultraviolet, X-rays, GAMMA RAYS

Explanation:

BECAUSE

V= WAVELENGTH/ FREQUENCY

AS FREQUENCY INCREASES WAVELENGTH DECREASE AN VICE VERSA

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3 years ago