Physics

If the value of a certain quantity is recorded as (4±0.36), the maximum percentage error is ___

• 4 %

• 9 %

• 11 %

• 15 %

If two vectors are anti-parallel then θ = _____

• 0^o

•  90^o

•  180^o

• 360^o

For a particle having a uniform circular motion, which of the following is constant _____.

• speed

• Acceleration

• Velocity

• Displacement

If two resistors of 2.1Ω and 5.3Ω are connected in series, then the resultant resistance is

• 8.4 Ω

• 7.3 Ω

• 7.4 Ω

• 5.2 Ω

Magnetic meridian is the plane _____.

• perpendicular to the magnetic axis of Earth

• perpendicular to geographic axis of Earth

• passing through the magnetic axis of Earth

• passing through the geographic axis Earth

The loss of strength of the signal while propagating through the channel is known as_____.

• Range

• Bandwidth     

• Attenuation    

• Noise

A small device having hundreds of diodes and transistors, performing the work of a large number of electronic circuits is called _____.

• LED

• IC

• Solar cell

• None of tese

If the value of a certain quantity is recorded as (5±0.45), the maximum percentage error is _____.

• 4%

• 9 %

• 11 %

• 15 %

If two vectors are parallel then θ = _____.

• 0^o

•  90^o

• 180^o    

• 360^o

An object thrown from a moving bus is on example of_____.

• Uniform circular motion

• Rectilinear motion

• Projectile motion

• Motion in one dimension