Does a light bulb with a greater wattage have a greater brightness

Answers

Answer 1

Answer: Only within the same technology. / / / If both of the bulbs you're comparing are incandescent, or both fluorescent, or both CFL, or both LED, then the one that uses more power is brighter. But a CFL with the same brightness as an incandescent bulb uses less power, and an LED bulb with the same brightness as both of those uses less power than either of them.

Answer 2

Answer: Yes. If a lamp develops a higher power certainly produce more luminosity, more brightness.

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A wave x meters long has a speed of y meters per second. The frequency of the wave isa. x/y hertz c. y x hertz b. y/x hertz d. y x hertz
Research indicates that inattentional blindness often decreases when people work on tasks that require a great deal of attention. Please select the best answer from the choices provided T F

Scientists have found ancient rock formations dating to the late Proterozoic eon in South America. These ancient rocks can be found from the eastern edge of South America's continental shelf, which extends just off the coast of Brazil, to the interior of the continent. This general location is indicated by a green circle on the map below. Scientists have also found rock formations made out of the same type of rock and from the very same eon at another location. The location of this second group of rock formations strongly supports the current theory of plate tectonics.

Where is the second rock formation most likely located?

Answers

Answer:

that not the answer the answer is off the cost of Africa

Explanation:

Answer: Australia

Explanation:

List the following items in order of decreasing speed, from greatest to least: (i) A wind-up toy car that moves 0.15 m in 2.5 s. (ii) A soccer ball that rolls 2.3 m in 0.55 s. (iii) A bicycle that travels 0.60 m in 0.075 s. (iv) A cat that runs 8.0 m in 2.0 s. Knight, Randall D., (Professor Emeritus). College Physics (p. 28). Pearson Education. Kindle Edition.

Answers

Answer:

(iii) > (ii) > (iv) > (i)

Explanation:

Part (i):

$\textrm{Speed of the wind-up toy} = \frac{\textrm{distance traveled}}{\textrm{Time taken}}\n\Rightarrow v_1=(0.15\ m)/(2.5\ s)\n\Rightarrow v_1 = 0.06\ m/s$

Part (ii):

$\textrm{Speed of the soccer ball} = \frac{\textrm{distance traveled}}{\textrm{Time taken}}\n\Rightarrow v_2=(2.3\ m)/(0.55\ s)\n\Rightarrow v_2 = 4.18\ m/s$

Part (iii):

$\textrm{Speed of the bicycle} = \frac{\textrm{distance traveled}}{\textrm{Time taken}}\n\Rightarrow v_3=(0.66\ m)/(0.075\ s)\n\Rightarrow v_3 = 8.8\ m/s$

Part (iv):

$\textrm{Speed of the cat} = \frac{\textrm{distance traveled}}{\textrm{Time taken}}\n\Rightarrow v_4=(8.0\ m)/(2.0\ s)\n\Rightarrow v_4 = 4.0\ m/s$

From the above calculations, we have

$v_3>v_2>v_4>v_1$

So, the speed in the parts mentioned arranged in decreasing order as follow:

(iii) > (ii) > (iv) > (i)

Denise is riding her bike and falls to the ground. During the collision, she hits both grass and cement.Which best explains why Denise had fewer injuries to the area of her body that hit the grass? The grass did not exert a reaction force.
The grass did not exert an action force.
The grass shortens the time of the collision.
The grass extends the time of the collision.

Answers

Answer : Because the grass extends the time of the collision.

Explanation :

Denise is riding her bike and falls to the ground. During the collision, she hits both grass and cement.

He had fewer injuries to the area of her body that hit the grass because the grass extends the time of the collision and hence it imparts less impulse.

i.e. $I=(F)/(t)$

Where

F is the force

t is the time of collision

Hence, the correct option is (d) " The grass extends the time of the collision ".

The grass extends the time of the collision

Who invented the prism?

Answers

Sir Isaac Newton invented the prism.He used it to study the diffraction.

Sir Isaac Newton introduced the prism 1st time while working on spectroscopy....
as a result of which he gave
Newton's Prism Theory....

The dark, smooth surface areas of the Moon are known asA. craters.
B. rilles.
C. maria.
D. highlands.

Answers

The dark, smooth surface areas of the Moon are known as C. maria. Although they are a type of craters, they are not called that way, but rather their name is maria, because scientists who first researched this areas thought they were seas or oceans. In Latin, the word for sea is mare, and plural is maria, which is why these areas are also called that way because they resemble these waters.

Two cylindrical resistors are made from same material and have the same length. When connected across the same battery, one dissipates twice as much power as the other. How do their diameters compare ?