Which of the following physical quantities has neither dimensions nor unit
Which of the following physical quantities has neither dimensions nor unit Options (a) Angle (b) luminous intensity (c) coefficient of…
7 years ago
Physics
300j work is done in sliding a 2kg block up an inclined plane of height 10m
300j work is done in sliding a 2kg block up an inclined plane of height 10m.Taking g=10 ms⁻², work done…
7 years ago
If L and C denote inductance and capacitance,then the dimensions of L-C are
If L and C denote inductance and capacitance,then the dimensions of L-C are Options (a) [M⁰L⁰T²] (b) [M²L⁰T²] (c) [M⁰L²T²]…
7 years ago
A machine gun fires 10 bullets/s,each of mass 10 g,the speed of each bullet
A machine gun fires 10 bullets/s, each of mass 10g, the speed of each bullet is 20 cms⁻¹, then force…
7 years ago
A body of mass 0.25 kg is projected with muzzle velocity 100 m/s from a tank
A body of mass 0.25 kg is projected with muzzle velocity 100 m/s from a tank of mass 100 kg.What…
7 years ago
A particle has initial velocity(3i⃗ +4j⃗)and has acceleration (0.4i⃗ +0.3j⃗)
A particle has initial velocity(3i⃗ +4j⃗)and has acceleration (0.4i⃗ +0.3j⃗). It's speed after 10s is: Options (a) 7 units (b)…
7 years ago
With what minimum acceleration can a fireman slide down a rope while breaking
With what minimum acceleration can a fireman slide down a rope while breaking strength of the rope is 2/3 of…
7 years ago
A bullet loses 1/20 of its velocity after penetrating a plank.How many planks
A bullet loses 1/20 of its velocity after penetrating a plank.How many planks are required to stop the bullet Options…
7 years ago
Van der waals,equation of state is(p+a/v²)(V-b)=nRT. The dimensions of a and b
Van der waals,equation of state is(p+a/v²)(V-b)=nRT. The dimensions of a and b are Options (a) [ML³T²],[ML³T⁰] (b) [ML⁵T⁻²],[M⁰L³T⁰] (c) [M²LT²],[ML³T²]…
7 years ago
An aeroplane flies 400m due to North and then 300m due to south and then flies
An aeroplane flies 400m due to North and then 300m due to south and then flies 1200m upwards, the net…
7 years ago