4
Ten charges are placed on the circumference of a circle of radius R with constant angular separation between successive charges. Alternate charges 1, 3, 5, 7, 9 have charge (+q) each, while 2, 4, 6, 8, 10 have charge (–q) each. The potential V and the electric field E at the centre of the circle are respectively.
19
Sep
Ten charges are placed on the circumference of a circle of radius R with constant angular separation between successive charges. Alternate charges 1, 3, 5, 7, 9 have charge (+q) each, while 2, 4, 6, 8, 10 have charge (–q) each. The potential V and the electric field E at the centre of the circle [...]
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Ten charges are placed on the circumference of a circle of radius R with constant angular separation between successive charges. Alternate charges 1 ,
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An ideal gas is taken round a cyclic process represented by the triangle ABC drawn in order on a P-V diagram. The coordinates of A, B, C are (4, 1), (2, 4), (2, 1) respectively. The work done in the complete cycle is
12
Sep
An ideal gas is taken round a cyclic process represented by the triangle ABC drawn in order on a P-V diagram. The coordinates of A, B, C are (4, 1), (2, 4), (2, 1) respectively. The work done in the complete cycle is 1 1) respectively. The work done in the complete cycle is 2 [...]
Example 7 : Plot the points (4, 4), (1, 3), (4, 2) and (7, 3) on a graph paper and connect them with line segments. Name the shape formed by these points.
10
Aug
Example 7 : Plot the points (4, 4), (1, 3), (4, 2) and (7, 3) on a graph paper and connect them with line segments. Name the shape formed by these points. 1 2) and (7 3) on a graph paper and connect them with line segments. Name the shape formed by these points. 3% [...]
109. Find the least square number which is exactly divisible by 3, 4, 5, 6 and 8.
15
Jul
109. Find the least square number which is exactly divisible by 3, 4, 5, 6 and 8. 109. Find the least square number which is exactly divisible by 3 4 5 6 and 8. July 15, 2021 Category: Chapter 6 - Squares and Square Roots , Chapter 7 - Cubes and Cube Roots , Maths [...]
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15. The next two numbers in the number pattern 1, 4, 9, 16, 25 … are
12
Jul
15. The next two numbers in the number pattern 1, 4, 9, 16, 25 … are 15. The next two numbers in the number pattern 1 16 … 25 ... are 4 9 July 12, 2021 Category: Chapter 6 - Squares and Square Roots , Chapter 7 - Cubes and Cube Roots , Maths , [...]
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Example 27 : Find the smallest perfect square divisible by 3, 4, 5 and 6.
12
Jul
Example 27 : Find the smallest perfect square divisible by 3, 4, 5 and 6. 4 5 and 6. Example 27 : Find the smallest perfect square divisible by 3 July 12, 2021 Category: Chapter 6 - Squares and Square Roots , Chapter 7 - Cubes and Cube Roots , Maths , NCERT Class 8 [...]
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91. Following are the number of members in 25 families of a village: 6, 8, 7, 7, 6, 5, 3, 2, 5, 6, 8, 7, 7, 4, 3, 6, 6, 6, 7, 5, 4, 3, 3, 2, 5. Prepare a frequency distribution table for the data using class intervals 0 –2, 2 –4, etc.
12
Jul
91. Following are the number of members in 25 families of a village: 6, 8, 7, 7, 6, 5, 3, 2, 5, 6, 8, 7, 7, 4, 3, 6, 6, 6, 7, 5, 4, 3, 3, 2, 5. Prepare a frequency distribution table for the data using class intervals 0 –2, 2 –4, etc. 2 [...]
56. When a dice is thrown, outcomes 1, 2, 3, 4, 5, 6 are equally __________.
12
Jul
56. When a dice is thrown, outcomes 1, 2, 3, 4, 5, 6 are equally __________. 2 3% 4 5 56. When a dice is thrown 6 are equally __________. outcomes 1 July 12, 2021 Category: Chapter 5 - Data Handling , Maths , NCERT Class 8 ,
11. Listed below are the temperature in °C for 10 days. –6, –8, 0, 3, 2, 0, 1, 5, 4, 4 What is the range of the data?
10
Jul
11. Listed below are the temperature in °C for 10 days. –6, –8, 0, 3, 2, 0, 1, 5, 4, 4 What is the range of the data? 1 11. Listed below are the temperature in °C for 10 days. –6 2 3% 4 4 What is the range of the data? 5 8 July [...]
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11. Listed below are the temperature in °C for 10 days. –6 ,
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Example 1 : The range of the data– 9, 8, 4, 3, 2, 1, 6, 4, 8, 10, 12, 15, 4, 3 is
09
Jul
Example 1 : The range of the data– 9, 8, 4, 3, 2, 1, 6, 4, 8, 10, 12, 15, 4, 3 is -12 1 10 15 2 3) is 3% 4 6 8 Example 1 : The range of the data– 9 July 9, 2021 Category: Chapter 5 - Data Handling , Maths , [...]