B
A white light ray is incident on a glass prism, and it creates four refracted rays A, B, C, and D. Match the refracted rays with the colours given
07
Oct
A white light ray is incident on a glass prism, and it creates four refracted rays A, B, C, and D. Match the refracted rays with the colours given A white light ray is incident on a glass prism and D. Match the refracted rays with the colours given and it creates four refracted rays [...]
A rectangular box is completely filled with a liquid of density ρ, as shown in Fig. The box is accelerated horizontally with a constant acceleration a. Determine the gauge pressures at the four points A, B, C and D.
06
Oct
A rectangular box is completely filled with a liquid of density ρ, as shown in Fig. The box is accelerated horizontally with a constant acceleration a. Determine the gauge pressures at the four points A, B, C and D. A rectangular box is completely filled with a liquid of density ρ as shown in Fig. [...]
In Fig. 12.25, ABCD is a square of side 14 cm. With centres A, B, C and D, four circles are drawn such that each circle touch externally two of the remaining three circles. Find the area of the shaded region.
06
Oct
In Fig. 12.25, ABCD is a square of side 14 cm. With centres A, B, C and D, four circles are drawn such that each circle touch externally two of the remaining three circles. Find the area of the shaded region. ABCD is a square of side 14 cm. With centres A B C and [...]
In a classroom, 4 friends are seated at the points A, B, C and D as shown in figure. Champa and Chameli walk into the class and after observing for a few minutes Champa asks Chameli, “Don’t you thing ABCD is a square?” Chameli disagrees. Using distance formula, find which of them is correct.
05
Oct
In a classroom, 4 friends are seated at the points A, B, C and D as shown in figure. Champa and Chameli walk into the class and after observing for a few minutes Champa asks Chameli, “Don’t you thing ABCD is a square?” Chameli disagrees. Using distance formula, find which of them is correct. "Don't [...]
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"Don't you thing ABCD is a square?" Chameli disagrees. Using distance formula ,
4 friends are seated at the points A ,
B ,
C and D as shown in figure. Champa and Chameli walk into the class and after observing for a few minutes Champa asks Chameli ,
find which of them is correct. ,
In a classroom ,
Three identical point masses m each are kept at the vertices A, B, and C of a cube having side length ‘a’ (see figure). Another identical mass is placed at the center point D of the cube. (a) Where will you place a fifth identical mass so that the net gravitational force acting on mass at D becomes zero? (b) Calculate the net gravitational force acting on the mass at D.
02
Oct
Three identical point masses m each are kept at the vertices A, B, and C of a cube having side length ‘a’ (see figure). Another identical mass is placed at the center point D of the cube. (a) Where will you place a fifth identical mass so that the net gravitational force acting on mass [...]
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A particle of mass m is moving along the side of a square of side 'a' ,
A ring and a disc are initially at rest ,
B ,
side by side ,
Three identical point masses m each are kept at the vertices A ,
with a uniform speed v in the x-y plane as shown in the figure. Which of the following statements is false for the angular momentum L about the origin? ,
Three blocks A, B, and C of equal mass m are placed one over the other on a frictionless surface (table) as shown in Fig. 7.280. The coefficient of friction between any blocks A, B, and C is muon.
01
Oct
Three blocks A, B, and C of equal mass m are placed one over the other on a frictionless surface (table) as shown in Fig. 7.280. The coefficient of friction between any blocks A, B, and C is muon. and C is muon. and C of equal mass m are placed one over the other [...]
In the arrangement shown in Fig. 7.251 pulleys are small light and frictionless, threads are inextensible and mass of blocks A, B, and C is m1 = 5 kg, m2 = 4 kg, and m3 = 2.5 kg, respectively.
30
Sep
In the arrangement shown in Fig. 7.251 pulleys are small light and frictionless, threads are inextensible and mass of blocks A, B, and C is m1 = 5 kg, m2 = 4 kg, and m3 = 2.5 kg, respectively. and C is m1 = 5 kg and m3 = 2.5 kg B In the arrangement [...]
The system shown in Fig. 6.388 is initially in equilibrium. Masses of the blocks A, B, C, D, and E are, respectively, 3 kg, 3 kg, 2 kg, 2 kg and 2 kg, Match the conditions in Column 1 with the effect in Column 2.
30
Sep
The system shown in Fig. 6.388 is initially in equilibrium. Masses of the blocks A, B, C, D, and E are, respectively, 3 kg, 3 kg, 2 kg, 2 kg and 2 kg, Match the conditions in Column 1 with the effect in Column 2. 2 kg 2 kg and 2 kg 3 kg and [...]
In Fig. 6.365, the blocks A, B, and C of mass m each have acceleration a1, a2, and a3, respectively. F1 and F2 are external forces of magnitude 2mg and mg, respectively. Then
30
Sep
In Fig. 6.365, the blocks A, B, and C of mass m each have acceleration a1, a2, and a3, respectively. F1 and F2 are external forces of magnitude 2mg and mg, respectively. Then a2 and a3 and C of mass m each have acceleration a1 B In Fig. 6.365 respectively then. respectively. F1 and F2 [...]
Three blocks A, B, and C are suspended as shown in Fig. 6.313. Mass of each of blocks A and B is m. If the system is in equilibrium, and mass of C is M, then
29
Sep
Three blocks A, B, and C are suspended as shown in Fig. 6.313. Mass of each of blocks A and B is m. If the system is in equilibrium, and mass of C is M, then and C are suspended as shown in Fig. 6.313. Mass of each of blocks A and B is m. [...]