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1. Express the following numbers in standard form. (ii) 0.00000000000942
12
Oct
1. Express the following numbers in standard form. (ii) 0.00000000000942 1. Express the following numbers in standard form. (ii) 0.00000000000942 October 12, 2020 Category: Chapter 12 - Exponents and Powers , Maths , NCERT Class 8 ,
1. Express the following numbers in standard form. (i) 0.0000000000085
12
Oct
1. Express the following numbers in standard form. (i) 0.0000000000085 1. Express the following numbers in standard form. (i) 0.0000000000085 October 12, 2020 Category: Chapter 12 - Exponents and Powers , Maths , NCERT Class 8 ,
7. Simplify. (ii) 3^5 x 10^5 x 125/ 5^-7 x 6^-5
12
Oct
7. Simplify. (ii) 3^5 x 10^5 x 125/ 5^-7 x 6^-5 7. Simplify. (ii) 3^5 x 10^5 x 125/ 5^-7 x 6^-5 October 12, 2020 Category: Chapter 12 - Exponents and Powers , Maths , NCERT Class 8 ,
7. Simplify. (i) 25 x t^4/ 5^3 x 10 x t^-8 (t is not equal to 0)
12
Oct
7. Simplify. (i) 25 x t^4/ 5^3 x 10 x t^-8 (t is not equal to 0) 7. Simplify. (i) 25 x t^4/ 5^3 x 10 x t^-8 (t is not equal to 0) October 12, 2020 Category: Chapter 12 - Exponents and Powers , Maths , NCERT Class 8 ,
6. Evaluate (ii) 5/8^-7 x 8/5^-4
12
Oct
6. Evaluate (ii) 5/8^-7 x 8/5^-4 6. Evaluate (ii) 5/8^-7 x 8/5^-4 October 12, 2020 Category: Chapter 12 - Exponents and Powers , Maths , NCERT Class 8 ,
6. Evaluate (i) (1/3^-1 – 1/4^-1)^-1
12
Oct
6. Evaluate (i) (1/3^-1 – 1/4^-1)^-1 6. Evaluate (i) (1/3^-1 - 1/4^-1)^-1 October 12, 2020 Category: Chapter 12 - Exponents and Powers , Maths , NCERT Class 8 ,
Unpolarized light falls on two polarizing sheets placed one on top of the other. What must be the angle between the characteristic directions of the sheets if the intensity of the final
12
Oct
Unpolarized light falls on two polarizing sheets placed one on top of the other. What must be the angle between the characteristic directions of the sheets if the intensity of the final Unpolarized light falls on two polarizing sheets placed one on top of the other. What must be the angle between the characteristic directions [...]
5. Find the value of m for which 5m ÷ 5^-3 = 5^5.
12
Oct
5. Find the value of m for which 5m ÷ 5^-3 = 5^5. 5. Find the value of m for which 5m ÷ 5^-3 = 5^5. October 12, 2020 Category: Chapter 12 - Exponents and Powers , Maths , NCERT Class 8 ,
Two Nicols are oriented with their principal planes making an angle of 60. The percentage of incident unpolarized light which passes through the system is
12
Oct
Two Nicols are oriented with their principal planes making an angle of 60. The percentage of incident unpolarized light which passes through the system is Two Nicols are oriented with their principal planes making an angle of 60. The percentage of incident unpolarized light which passes through the system is October 12, 2020 Category: Uncategorised [...]
A polaroid is placed at 45 to an incoming light of intensity I0. Now the intensity of light passing through polaroid after polarization would be ?
12
Oct
A polaroid is placed at 45 to an incoming light of intensity I0. Now the intensity of light passing through polaroid after polarization would be ? A polaroid is placed at 45 to an incoming light of intensity I0. Now the intensity of light passing through polaroid after polarization would be ? October 12, 2020 [...]