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1. The cost of a notebook is twice the cost of a pen. Write a linear equation in two variables to represent this statement. (Take the cost of a notebook to be ₹ x and that of a pen to be ₹ y)
15
Oct
1. The cost of a notebook is twice the cost of a pen. Write a linear equation in two variables to represent this statement. (Take the cost of a notebook to be ₹ x and that of a pen to be ₹ y) 1. The cost of a notebook is twice the cost of a [...]
Example 4 Plot the following ordered pairs of number (x, y) as points in the Cartesian plane. Use the scale 1cm = 1 unit on the axes.
15
Oct
Example 4 Plot the following ordered pairs of number (x, y) as points in the Cartesian plane. Use the scale 1cm = 1 unit on the axes. Example 4 Plot the following ordered pairs of number (x y) as points in the Cartesian plane. Use the scale 1cm = 1 unit on the axes. October [...]
Example 3 : Locate the points (5,0),(0,5),(2,5),(5,2),(-3,5),(-3,-5),(5,-3) and (6,1) in the Cartesian plane.
15
Oct
Example 3 : Locate the points (5,0),(0,5),(2,5),(5,2),(-3,5),(-3,-5),(5,-3) and (6,1) in the Cartesian plane. -3) and (6 0 ) 1) in the Cartesian plane. 2 3% 5 Example 3 : Locate the points (5 October 15, 2020 Category: Chapter 3 - Coordinate Geometry , Maths , NCERT Class 9 ,
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-3) and (6 ,
0 ) ,
1) in the Cartesian plane. ,
2 ,
3% ,
5 ,
Example 3 : Locate the points (5 ,
Example 2 : Write the coordinates of the points marked on the axes in Fig. 3.12.
15
Oct
Example 2 : Write the coordinates of the points marked on the axes in Fig. 3.12. Example 2 : Write the coordinates of the points marked on the axes in Fig. 3.12. October 15, 2020 Category: Chapter 3 - Coordinate Geometry , Maths , NCERT Class 9 ,
Example 1 : See Fig. 3.11 and complete the following statements: (i) The abscissa and the ordinate of the point B are and respectively. Hence, the coordinates of B are (_). (ii) The x-coordinate and the y-coordinate of the point M are…….. and ………… respectively. Hence, the coordinates of M are (-). (iii) The x-coordinate and the y-coordinate of the point L are ………… and ……….. respectively. Hence, the coordinates of L are (_) (iv) The x-coordinate and the y-coordinate of the point S are …….. and ……. respectively. Hence, the coordinates of S are (_).
15
Oct
Example 1 : See Fig. 3.11 and complete the following statements: (i) The abscissa and the ordinate of the point B are and respectively. Hence, the coordinates of B are (_). (ii) The x-coordinate and the y-coordinate of the point M are…….. and ………… respectively. Hence, the coordinates of M are (-). (iii) The x-coordinate [...]
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Example 1 : See Fig. 3.11 and complete the following statements: (i) The abscissa and the ordinate of the point B are and respectively. Hence ,
the coordinates of B are (_). (ii) The x-coordinate and the y-coordinate of the point M are........ and ............ respectively. Hence ,
the coordinates of L are (_) (iv) The x-coordinate and the y-coordinate of the point S are ........ and ....... respectively. Hence ,
the coordinates of M are (-). (iii) The x-coordinate and the y-coordinate of the point L are ............ and ........... respectively. Hence ,
the coordinates of S are (_). ,
A silver sphere of radius 1 cm and work function 4.7 eV is suspended from an insulating thread in free-space. It is under continuous illumination of 200 nm wavelength light. As photoelectron
15
Oct
A silver sphere of radius 1 cm and work function 4.7 eV is suspended from an insulating thread in free-space. It is under continuous illumination of 200 nm wavelength light. As photoelectron A silver sphere of radius 1 cm and work function 4.7 eV is suspended from an insulating thread in free-space. It is under [...]
2. Plot the points (x, y) given in the following table on the plane, choosing suitable units of distance on the axes.
15
Oct
2. Plot the points (x, y) given in the following table on the plane, choosing suitable units of distance on the axes. 2. Plot the points (x choosing suitable units of distance on the axes. y) given in the following table on the plane October 15, 2020 Category: Chapter 3 - Coordinate Geometry , Maths [...]
An alpha particle and a proton are accelerated from rest by a potential difference of 100 V. After this, their de Broglie wavelengths are lemda alpha and lemda p, respectively. The ratio lemda p/lemda alpha to
15
Oct
An alpha particle and a proton are accelerated from rest by a potential difference of 100 V. After this, their de Broglie wavelengths are lemda alpha and lemda p, respectively. The ratio lemda p/lemda alpha to An alpha particle and a proton are accelerated from rest by a potential difference of 100 V. After this [...]
1. In which quadrant or on which axis do each of the points (– 2, 4), (3, – 1), (– 1, 0), (1, 2) and (– 3, – 5) lie? Verify your answer by locating them on the Cartesian plane.
15
Oct
1. In which quadrant or on which axis do each of the points (– 2, 4), (3, – 1), (– 1, 0), (1, 2) and (– 3, – 5) lie? Verify your answer by locating them on the Cartesian plane. – 5) lie? Verify your answer by locating them on the Cartesian plane. 0 ) [...]
2. See Fig.3.14, and write the following: i. The coordinates of B. ii. The coordinates of C. ii. The point identified by the coordinates (–3, –5). iv. The point identified by the coordinates (2, – 4). v. The abscissa of the point D. vi. The ordinate of the point H. vii. The coordinates of the point L. viii. The coordinates of the point M.
15
Oct
2. See Fig.3.14, and write the following: i. The coordinates of B. ii. The coordinates of C. ii. The point identified by the coordinates (–3, –5). iv. The point identified by the coordinates (2, – 4). v. The abscissa of the point D. vi. The ordinate of the point H. vii. The coordinates of the [...]
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– 4). v. The abscissa of the point D. vi. The ordinate of the point H. vii. The coordinates of the point L. viii. The coordinates of the point M. ,
–5). iv. The point identified by the coordinates (2 ,
2. See Fig.3.14 ,
and write the following: i. The coordinates of B. ii. The coordinates of C. ii. The point identified by the coordinates (–3 ,