3 years ago

What is an anomaloscope used for?

1 answer:

4 0

An anomaloscope or Nagel'sanomaloscope is an instrument usedto test for color blindness. It is used to measure quantitative and qualitative anomalies in colour perception. It can be used to determine whether a person is a tritanope, dichromat or achromatop.

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The majority of the elements on the periodic table are _______. A. gases B. nonmetals C. metals D. liquids

Paladinen [302]

Option (C) is correct that the majority of the elements on the periodic table are metals.

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4 years ago

If 1495 j of heat is needed to raise the temperature of a 351 g sample of a metal from 55.0°c to 66.0°c, what is the specific he

forsale [732]

The amount of heat needed to increase the temperature of a substance by $\Delta T$ is given by
$Q= mC_s \Delta T$
where m is the mass of the substance, Cs is its specific heat capacity and $\Delta T$ is the increase of temperature.

If we re-arrange the formula, we get
$C_s = \frac{Q}{m \Delta T}$
And if we plug the data of the problem into the equation, we can find the specific heat capacity of the substance:
$C_s = \frac{1495 J}{(351 g)(66.0^{\circ}C-55.0^{\circ}C)}=0.39 J/g^{\circ}C$

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3 years ago

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taurus [48]

Hard surfaces reflect sound back into the room, while carpets help to absorb the sound so it reflects less

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3 years ago

If an organism didn't have DNA, it would be missing which sign of life ? a, b , c

sergey [27]

Answer:

Explanation: