A magnifying glass of focal length 5 cm is used to view an object by a person
A magnifying glass of focal length 5 cm is used to view an object by a person whose smallest distance…
8 years ago
Questions
The approxiamate ratio of nuclear mass densities of ₇₉Au¹⁹⁷ and ₄₇ Ag¹⁰⁷ nuclei is
The approxiamate ratio of nuclear mass densities of ₇₉Au¹⁹⁷ and ₄₇ Ag¹⁰⁷ nuclei is Options (a) (197:107) (b) (47:79) (c)…
8 years ago
A wire is suspended vertically from one of its ends is stretched by attaching a weight
A wire is suspended vertically from one of its ends is stretched by attaching a weight of 200 N to…
8 years ago
If the temperature of the sun were to increase from T to 2T and its radius from R and 2R
If the temperature of the sun were to increase from T to 2T and its radius from R and 2R,…
8 years ago
The amplitude of S.H.M. y=2 (sin 5πt+√2 cos 5πt) is
The amplitude of S.H.M. y=2 (sin 5πt+√2 cos 5πt) is Options (a) 2 (b) 2√2 (c) 4 (d) 2√3 Correct…
8 years ago
The point of suspension λ of a simple pendulum with normal time period T₁ is moving
The point of suspension λ of a simple pendulum with normal time period T₁ is moving upward according to equation…
8 years ago
A thin rod of length L and mass M is held vertically with one end on the floor
A thin rod of length L and mass M is held vertically with one end on the floor and is…
8 years ago
Angular momentum of the particle rotating with a central force is constant due to
Angular momentum of the particle rotating with a central force is constant due to Options (a) Constant torque (b) Constant…
8 years ago
A bullet emerges from a barrel of length 1.2 m with a speed of 640 ms⁻¹.
A bullet emerges from a barrel of length 1.2 m with a speed of 640 ms⁻¹. Assuming constant acceleration, the…
8 years ago
The circular motion of a particle with constant speed is
The circular motion of a particle with constant speed is Options (a) Periodic but not simple harmonic (b) Simple harmonic…
8 years ago