During mean life of a radioactive element, the fraction that disintegrates is
During mean life of a radioactive element, the fraction that disintegrates is Options (a) e (b) 1/e (c) (e-1)/e (d)…
7 years ago
UP2001
Dimensions [ML⁻¹T⁻¹] are related with
Dimensions [ML⁻¹T⁻¹] are related with Options (a) Work (b) Torque (c) Energy (d) Coefficient of viscocity Correct Answer: Coefficient of…
7 years ago
If the wavelength of light in vacuum be, the wavelength in a medium of refractive index
If the wavelength of light in vacuum be, the wavelength in a medium of refractive index µ will be Options…
7 years ago
Two charges each equal to 2µ C are 0.5m apart. If both of them exist inside vacuum
Two charges each equal to 2µ C are 0.5m apart. If both of them exist inside vacuum, then the force…
7 years ago
In P-N junction having depletion layer of thickness 10⁻⁶ m, the potential across
In P-N junction having depletion layer of thickness 10⁻⁶ m, the potential across it is 0.1 V. The electric field…
7 years ago
An electric current passes through a long straight wire
An electric current passes through a long straight wire. At a distance 5 cm from the wire, the magnetic field…
7 years ago
A 1 kg particle strikes a wall with velocity 1 m/s at an angle 30° and reflects
A 1 kg particle strikes a wall with velocity 1 m/s at an angle 30° and reflects at the same…
7 years ago
Which will show geometrical isomerism
Which will show geometrical isomerism Options (a) (CH₃)₂C=C(CH₃)₂ (b) CH₃HC=CHCH₃ (c) (CH₃)₂C=CH₂ (d) CH₂=CH₂ Correct Answer: CH₃HC=CHCH₃Explanation:No explanation available. Be…
7 years ago
Velamen is found in
Velamen is found in Options (a) ferns (b) halophytes (c) orchids (d) gymnosperms Correct Answer: orchidsExplanation:No explanation available. Be the…
7 years ago
In phylum protozoa, the class of total parasite is
In phylum protozoa, the class of total parasite is Options (a) mastigophora (b) ciliata (c) sporozoa (d) sarcodina Correct Answer:…
7 years ago