If 10% Of A Radioactive Material Decays In 10 Days Percentage Of The Material That Decays On 20 Days Is
4 Years Ago
Contribute & Test Your Skills
Popular Questions
- 8g of Cuâ¶â¶ undergoes radioactive decay and after 15 minutes only 1g remains
- An electron is moving with a velocity 2 x 10â¶m/s along positive x direction in the uniform
- eight grams of Cuâ¶â¶ undergoes radioactive decay and after 15 minutes only 1g
- Gd (64) has__unpaired electrons with sum od spin
- it takes 4.6 eV to remove one of the least tightly bound electrons from a metal surface when monochromatic photons strike the meta..
- a person observe that the full length of a train subtend an angle of 15â°
- if the emission rate of blackbody at 0â°C is R
- An oscillator circuit an inductor 0.05H and a capacitor 80uf.
- A cylindrical tube open at both the ends has fundamental frequency n.
- Five moles of an ideal monoatomic gas with an intial temperature of 150â°C expand and in the process absorb 1500j of heat and ..
- consider a vertical emitting sound wave of frequency 700Hz moving toward an observer at a speed 22m/s
- consider a wire with density (d) and stress
- The de-Broglie wavelength
- it take 4.6eV to remove one of the lead st tightly bound electrons from a metal surface
- the effective nuclear charge of an element with three valence electrons 2.60. what is the atomic number of the element
- a wheel rotating at 12 rev/s is brought to rest in 6s the average angular deceleration in rad/s² of the wheel during this proce..
- if copper and silicon piece are heated the resistance of
- two particles A and B of same mass have their de Broglie wavelength in the ratio
- The period of oscillation of a simple pendulum is given by
- A parallel beam of light of wavelengths 4000 A passes through a slit of width 5 x 10â€Â³ m. the angular spread of the centr..
- in a measurement the random error
- consider a circular wire loop of radius R spinning about a diametrical chord which is perpendicular to a uniform magnetic field
- which of the following particle when bombbards on â¶âµCu will turn into â¶â¶Cu
- A carnot engine whose low temperature reservoir is at 350k has an efficiency of 50% it is desired to increase this to 60%
- Huygens wave theory of light cannot explain
- A uniform bar of mass m is supported by a pivot at its top about
- the lower edge of a square slab side 50cm and thickness 20cm is rigidly fixed to the base of a table A tangential
- wavelength of the wave eifh 30 MHz frequency is
- AI2 (SO4) is used in the following but not
- for a zener diode
- a massless spring of lenght l and spring constant k is placed vertically on a table a all od mass m is just kept
- if a magnet is dropped throug a vertical hollow copper tube then
- a copper wire with a croos section area of 2 x 10â¶m² has a free electron equal to
- for a P-N Junction diode
- The mean momentum of a nucleon in a nucleus with mass number A varies as
- which of the following is not true about a catalyst
- A decay chain of the nucleus
- speech signal is in the range of
- a simple Harmonic motion is represented by
- the energy of electron in the 3S orbital
