Substances which allow light to pass through them are called?

Substances which allow light to pass
through them are called?
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1 Answer

Answer :

Transparent substances eg: glass
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Substances which do not pass light through them are called?

Description : Substances which do not pass light through them are called?

Last Answer : Opaque substances eg : paper; storie

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Description : What transport process uses kinetic energy to pass substances through the plasma membrane?

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Description : What is is the ability of a cell membrane to allow materials to pass through it called?

Last Answer : permeability

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The capacity of rock to allow water to pass through is called?

Description : The capacity of rock to allow water to pass through is called?

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The metal which does not allow X-ray to pass through?

Description : The metal which does not allow X-ray to pass through?

Last Answer : Lead

What are the special in cell membrane that allow materials such as water and sugar to pass through made of?

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Property of earth to allow water to pass through it, is known as (A) Perviousness (B) Porosity (C) Permeability (D) Transmissibility

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When primary molars are prepared for stainless steel crowns, should the depth for reduction of the proximal surface be similar to the depth of the buccal and lingual surfaces? A. Yes; reduction of all wall is similar for best retention B. No, proximal reduction is greater to allow the crown to pass the contact area C. No, the buccal surfaces has the greatest reduction to remove the cervical bulge D. Yes, all undercuts are uniformly removed so that the steel crown can be seated E. No, because of lateral constriction, the lingual surface needs greatest reduction

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White clothes are cooler than black ones because they – (1) absorb all the light that reaches them (2) reflect all the light that reaches them (3) will not allow the light to penetrate (4) cool the sunlight completely

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Last Answer : reflect all the light that reaches them

Planets do not twinkle because they (a) emit light continuously (b) are luminous sources of light (c) are nearer to us and therefore their light does not pass through the atmosphere (d) are nearer to us and therefore minor variations in their intensity are not noticeable

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When a strong beam of light is passed through a colloidal solution, the light will – (1) be scattered (2) pass unchanged (3) be absorbed (4) be reflected

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The index of refraction can be considered: w) a ratio of material thickness between substances x) a ratio of velocities of light in different materials y) a ratio of mass between materials z) to have the units of photons

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The substances which conduct electric- ity with the help of the ions present in them are called?

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Assertion `:` Mucous glands occur throughout the alimentary canal Reason `:` Mucous substances facilitate movement of food through the alimenatary can

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What are the main substances transferred from the mother to the fetus through the placenta and from the fetus to the mother ?

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Which is correct about transport of conduction of substances? (a) Organic food moves up through phloem (b) Organic food moves up through xylem (c) Inorganic food moves upwardly and downwardly through xylem (d) Organic food moves upwardly and downwardly through phloem

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The amount of different substances produced, when the same quantity of electricity is passed through different solutions are proportional to their (A) Equivalent weight (B) (Equivalent weight)2 (C) Molecular weight (D) (Molecular weight)2

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Oncotic pressure refers to a) the osmotic pressure exerted by proteins. Oncotic pressure is a pulling pressure exerted by proteins, such as albumin. b) the number of dissolved particles contained in a unit of fluid. Osmolality refers to the number of dissolved particles contained in a unit of fluid. c) the excretion of substances such as glucose through increased urine output. Osmotic diuresis occurs when the urine output increases due to excretion of substances such as glucose. d) the amount of pressure needed to stop flow of water by osmosis. Osmotic pressure is the amount of pressure needed to stop the flow of water by osmosis.

Description : Oncotic pressure refers to a) the osmotic pressure exerted by proteins. Oncotic pressure is a pulling pressure exerted by proteins, such as albumin. b) the number of dissolved particles contained in a ... . Osmotic pressure is the amount of pressure needed to stop the flow of water by osmosis.

Last Answer : a) the osmotic pressure exerted by proteins. Oncotic pressure is a pulling pressure exerted by proteins, such as albumin.

The absorbed substances finally reach the tissues which utilise them for their activities. This process is called_____

Description : The absorbed substances finally reach the tissues which utilise them for their activities. This process is called_____

Last Answer : The absorbed substances finally reach the tissues which utilise them for their activities. This process is called_____

The absorbed substances finally reach the tissues which utilise them for their activities. This process is called_____

Description : The absorbed substances finally reach the tissues which utilise them for their activities. This process is called_____

Last Answer : The absorbed substances finally reach the tissues which utilise them for their activities. This process is called_____

Light coloured clothes are preferred in summer because (a) light colours are good radiators of heat (b) light colours are poor absorbers of heat (c) they soak sweat faster (d) they allow body heat to escape faster

Description : Light coloured clothes are preferred in summer because (a) light colours are good radiators of heat (b) light colours are poor absorbers of heat (c) they soak sweat faster (d) they allow body heat to escape faster

Last Answer : Ans:(b)