Question

if the refractive index of glass with respect to air is 3/2. the speed of light in air is 3*10 ki power 8 m/s. then the speed of light in glass will be​

Answer 1

Answer:

2x10^8m/s

The solution has been attached. Please look into and find your answer.

Hope it's of some use!

Answer 2

Answer:

Explanation:

______________________________________________________________________

\text{\huge\underline{\red{Question:-}}}

Question:-

:\Longrightarrow⟹ The atomic number of an element ‘X’ is 13 and its mass number is 27. Answer the following questions based on the element.

a) Write the electronic configuration

b) Locate the group and period of the element in the periodic table.

c) Identify its nature and valency.

\text{\huge\underline{\orange{Given:-}}}

Given:-

:\Longrightarrow⟹ The atomic number of an element ‘X’ is 13 and its mass number is 27. Answer the following questions based on the element.

\text{\huge\underline{\green{To\ find:-}}}

To find:-

:\Longrightarrow⟹ ● Electronic configuration.

:\Longrightarrow⟹ ● Group and period.

:\Longrightarrow⟹ ● Nature and valency.

\text{\huge\underline{\purple{Solution:-}}}

Solution:-

● \mathrm\blue{Electronic\ configuration\ of\ _{13}X²⁷}Electronic configuration of

13

X²⁷ ;

1s²2s²2p⁶3s²3p¹ or [Ne] 3s²3p¹ .

● \mathrm\blue{Group\ :\ 13.}Group : 13.

● \mathrm\blue{Periods\ :\ 2.}Periods : 2.

● \mathrm\blue{Valency\ :\ 3.}Valency : 3.

\text{\huge\underline{\bf{Hence,\ Verified}}}

Hence, Verified

______________________________________________________________________