Physics question and answers for July 17, 2024
- Q A square of side L 2 is removed from one corner of a square sandwich that has sides of lengt L The center of mass of the remainder of the...
- Q ALLEN 13 For angles of projection of a projectile 45 0 and 45 0 the horizontal ranges described by the projectile are in the ratio of if 0 45 1...
- Q Unit vector along a ray of light that is incident on a plane mirror is 3 k and unit vector along the normal to the mirror at the point incidence...
- Q Block A is placed on the horizontal surface while block B is on the inclined one The blocks are connected by a cord and coefficient of friction are indicated in...
- Q 36 An a particle is moving along a circle of radius R with a constant angular velocity w Point A lies in the same plane at a distance 2R from...
- Q A particle in a certain conservative force field ha 2x y z a potential energy given by U exerted on it is 1 2 4xy i x i x v...
- Q nal area h 10 cm eased to modulus locity of section cm and p filled Own in 20 is scible econd mental Q 29 A thermometer has a spherical bulb...
- Q Least count LC is the minimum length measured by a Vernier callipers and Let us define Vernier constant VC 1 MSD 1 VSD Each main Scale division MSD of the...
- Q 14 Figure gives a system of logic gates From the study of truth table it can be found that to produce a high output 1 at R we must have...
- Q 4 It is equal to the mass of 1 mol of element in amu If the atomic mass unit u were defined to be 50 one fifth of the mass...
- Q 33 A string fixed at both ends is vibrating in the lowest mode of vibration for which a point at quarter of its length from one end is a point...
- Q 3 k and unit vector along the normal to t Unit vector along a ray of light that is incident on a plane mirror is 3 unit vector along the...
- Q 3 89 At the time of total solar eclipse the spectrum of sol radiation will have MHT CE a a large number of dark Fraunhofer lines b a smaller number...
- Q ABCD is a square where each side is uniform wire of resistance 12 Find a point E on CD such that if a uniform wire of resistance 12 is connected...
- Q kg and amplitude A 2m the variation of potential energy U as function of displacement x from mean position is as shown The time period of oscillation in seconds is...
- Q L Vgen i R M HE The circuit shown above has R 6 Ohms L 1 H and C 40 mF The capacitor has the initial voltage of Vc 0...
- Q Which of the following statements is false The energy spectrum of a decay is line spectrum The energy spectrum of B particles is continuous The energy spectrum of y decay...
- Q ARGER ENDEAVOUR A photo conductive cell 1 1mm CdS crystal is illuminated with light of wavelength 450 nm and intensity 1 mw cm Assuming quantum efficiency of unity Calculate the...
- Q Which of the following statement is incorrect about photo electric effect It is based on particle nature of light Stopping potential depends on the intensity of incident light having fixed...
- Q 1 2 1 15 16 3 1 m s 3 m s H 4 5 in metres 6 2 7 Above diagram represents a multiflash photograph of an object P...
- Q The mass difference between the pair of mirror nuclei C and B is given to be AMeV c According 6 17 17 9 to the semi empirical mass formula the...
- Q 34 The horizontal range and the maximum height of a projectile are equal The angle of projection of the projectiles is 4 c 0 tan 2 a 0 tan by0...
- Q In the following four situations charged particles are at equal distance from the argin Arrange them according to the magnitude of the net electric field at origin greatest first ii...
- Q Young s double slit experiment is performed in air central maxima is obtained on screen at some position Two slabs are placed in front of two slits S and S...
- Q Water is filled in a container upto height of 3m A small hole of area Ao is punched in the wall of the container at a height 52 5 cm...
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