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In YDSE shown in figure, a parallel beam of light is incident on the slits from a medium of refractive index n1. The wavelength of light in this medium is lemda 1. A transparent slab
10
Oct
In YDSE shown in figure, a parallel beam of light is incident on the slits from a medium of refractive index n1. The wavelength of light in this medium is lemda 1. A transparent slab a parallel beam of light is incident on the slits from a medium of refractive index n1. The wavelength of [...]
4.Express the number appearing in the following statements in standard form: (b) Speed of light in vacuum is 300,000,000 m/s.
10
Oct
4.Express the number appearing in the following statements in standard form: (b) Speed of light in vacuum is 300,000,000 m/s. 000 m/s. 000. 4.Express the number appearing in the following statements in standard form: (b) Speed of light in vacuum is 300 October 10, 2020 Category: Chapter 13 - Exponents and Powers , Maths , [...]
4.Express the number appearing in the following statements in standard form: (a) The distance between Earth and Moon is 384,000,000 m.
10
Oct
4.Express the number appearing in the following statements in standard form: (a) The distance between Earth and Moon is 384,000,000 m. 000 m. 000. 4.Express the number appearing in the following statements in standard form: (a) The distance between Earth and Moon is 384 October 10, 2020 Category: Chapter 13 - Exponents and Powers , [...]
Figure shows two coherent sources S1 and S2 vibrating in same phase. AB is an irregular wire lying at a far distance from the sources S1 and S2. Let lemda/d = 10 ^-3,
10
Oct
Figure shows two coherent sources S1 and S2 vibrating in same phase. AB is an irregular wire lying at a far distance from the sources S1 and S2. Let lemda/d = 10 ^-3, Figure shows two coherent sources S1 and S2 vibrating in same phase. AB is an irregular wire lying at a far distance [...]
3.Express the following numbers in standard form: (vi) 3908.78
10
Oct
3.Express the following numbers in standard form: (vi) 3908.78 3.Express the following numbers in standard form: (vi) 3908.78 October 10, 2020 Category: Chapter 13 - Exponents and Powers , Maths , NCERT Class 7 ,
3.Express the following numbers in standard form: (v) 39087.8
10
Oct
3.Express the following numbers in standard form: (v) 39087.8 3.Express the following numbers in standard form: (v) 39087.8 October 10, 2020 Category: Chapter 13 - Exponents and Powers , Maths , NCERT Class 7 ,
Let S1 and S2 be the two slits in Young’s double-slit experiment. If central maxima is observed at P and angle S1PS2 = theta, then the fringe width for the light of wavelength
10
Oct
Let S1 and S2 be the two slits in Young’s double-slit experiment. If central maxima is observed at P and angle S1PS2 = theta, then the fringe width for the light of wavelength Let S1 and S2 be the two slits in Young's double-slit experiment. If central maxima is observed at P and angle S1PS2 [...]
3.Express the following numbers in standard form: (iv) 3,90,878
10
Oct
3.Express the following numbers in standard form: (iv) 3,90,878 3.Express the following numbers in standard form: (iv) 3 878 90 October 10, 2020 Category: Chapter 13 - Exponents and Powers , Maths , NCERT Class 7 ,
3.Express the following numbers in standard form: (iii) 3,18,65,00,000
10
Oct
3.Express the following numbers in standard form: (iii) 3,18,65,00,000 00 000. 18 3.Express the following numbers in standard form: (iii) 3 65 October 10, 2020 Category: Chapter 13 - Exponents and Powers , Maths , NCERT Class 7 ,
If the distance between the first maxima and fifth minima of a double-slit pattern is 7 mm and the slits are separated by 0.15 mm with the screen 50 cm from the slits, then wavelength
10
Oct
If the distance between the first maxima and fifth minima of a double-slit pattern is 7 mm and the slits are separated by 0.15 mm with the screen 50 cm from the slits, then wavelength If the distance between the first maxima and fifth minima of a double-slit pattern is 7 mm and the slits [...]