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3.Express the following numbers in standard form: (ii) 70,00,000
10
Oct
3.Express the following numbers in standard form: (ii) 70,00,000 00 000. 3.Express the following numbers in standard form: (ii) 70 October 10, 2020 Category: Chapter 13 - Exponents and Powers , Maths , NCERT Class 7 ,
As shown in figure, waves with identical wavelengths and amplitudes and which are initially in phase travel through different media. Ray 1 travels through air and Ray 2 through a transparent medium
10
Oct
As shown in figure, waves with identical wavelengths and amplitudes and which are initially in phase travel through different media. Ray 1 travels through air and Ray 2 through a transparent medium as shown in figure waves with identical wavelengths and amplitudes and which are initially in phase travel through different media. Ray 1 travels [...]
3.Express the following numbers in standard form: (i) 5,00,00,000
10
Oct
3.Express the following numbers in standard form: (i) 5,00,00,000 00 000. 3.Express the following numbers in standard form: (i) 5 October 10, 2020 Category: Chapter 13 - Exponents and Powers , Maths , NCERT Class 7 ,
2.Find the number from each of the following expanded forms: (d) 9 × 10^5 + 2 × 10^2 + 3 × 10^1
10
Oct
2.Find the number from each of the following expanded forms: (d) 9 × 10^5 + 2 × 10^2 + 3 × 10^1 2.Find the number from each of the following expanded forms: (d) 9 × 10^5 + 2 × 10^2 + 3 × 10^1 October 10, 2020 Category: Chapter 13 - Exponents and Powers , [...]
2.Find the number from each of the following expanded forms: (c) 3 × 10^4 + 7 × 10^2 + 5 × 10^0
10
Oct
2.Find the number from each of the following expanded forms: (c) 3 × 10^4 + 7 × 10^2 + 5 × 10^0 2.Find the number from each of the following expanded forms: (c) 3 × 10^4 + 7 × 10^2 + 5 × 10^0 October 10, 2020 Category: Chapter 13 - Exponents and Powers , [...]
2.Find the number from each of the following expanded forms: (b) 4 × 10^5 + 5 × 10^3 + 3 × 10^2 + 2 × 10^0
10
Oct
2.Find the number from each of the following expanded forms: (b) 4 × 10^5 + 5 × 10^3 + 3 × 10^2 + 2 × 10^0 2.Find the number from each of the following expanded forms: (b) 4 × 10^5 + 5 × 10^3 + 3 × 10^2 + 2 × 10^0 October 10, 2020 [...]
The wavefront of a light beam is given by the equation x + 2y + 3x = c (where c is arbitrary constant), then the angle made by the direction of light with the y-axis is
10
Oct
The wavefront of a light beam is given by the equation x + 2y + 3x = c (where c is arbitrary constant), then the angle made by the direction of light with the y-axis is The wavefront of a light beam is given by the equation x + 2y + 3x = c (where [...]
2.Find the number from each of the following expanded forms: (a) 8 × 10^4 + 6 × 10^3 + 0 × 10^2 + 4 × 10^1 + 5 × 10^0
10
Oct
2.Find the number from each of the following expanded forms: (a) 8 × 10^4 + 6 × 10^3 + 0 × 10^2 + 4 × 10^1 + 5 × 10^0 2.Find the number from each of the following expanded forms: (a) 8 × 10^4 + 6 × 10^3 + 0 × 10^2 + 4 × [...]
1.Write the following numbers in the expanded form: 20068
10
Oct
1.Write the following numbers in the expanded form: 20068 1.Write the following numbers in the expanded form: 20068 October 10, 2020 Category: Chapter 13 - Exponents and Powers , Maths , NCERT Class 7 ,
Light from a source emitting two wavelengths lemda1 and lemda 2 is allowed to fall on Young’s double-slit apparatus after filtering one of the wavelengths. The position of interference maxima is noted.
10
Oct
Light from a source emitting two wavelengths lemda1 and lemda 2 is allowed to fall on Young’s double-slit apparatus after filtering one of the wavelengths. The position of interference maxima is noted. A light of wavelength 6000 A shines on two narrow slits separated by a distance 1.0 mm and illuminates a screen at a [...]