Choose the correct or the most appropriate answer for this question. In which condition the direction of angular velocity and angular acceleration are same?

Choose the correct or the most appropriate answer for this question. Two coins rotates on a turntable, Coin B is twice as far from the axis as Coin A.

Choose the correct or the most appropriate answer for this question. Which of the following statements is true about centrifugal force?

Choose the correct or the most appropriate answer for this question. When a car is turned around inclined curve, the vertical component of the normal force will be balanced out with ---------.

Choose the correct or the most appropriate answer for this question. The product of a force and its perpendicular distance from the fulcrum is called the ---------.

Choose the correct or the most appropriate answer for this question. A light beam is balanced as shown in the diagram below. What is the value of the force F?

Choose the correct or the most appropriate answer for this question. A free-body diagram is the diagram showing ---------.

Choose the correct or the most appropriate answer for this question. The equilibrium is defined as --------- in a system.

Choose the correct or the most appropriate answer for this question. The ability of the material to deform without breaking is called ---------.

Choose the correct or the most appropriate answer for this question. In the flow of fluids, the path or flow of the fluid particles is called ---------.

Choose the correct or the most appropriate answer for this question. The resistance to fluid motion or --------- of fluid is called viscosity.

Choose the correct or the most appropriate answer for this question. If the larger the area of the pipe, the speed of fluid in the pipe ---------.

Choose the correct or the most appropriate answer for this question. In Bernoulli’s equation, pressure difference and mechanical energy between two points are related according to ---------.

Choose the correct or the most appropriate answer for this question. The forces between molecules of the same substance is ---------.

Choose the correct or the most appropriate answer for this question. Which of these is an elastic store?

Choose the correct or the most appropriate answer for this question. A motor car accelerates up a hill. Which of the following sets is the correct answer?

Choose the correct or the most appropriate answer for this question. A 1,000.0 kg car that is traveling at 90.0 km/h? How much work must be done to stop the car?

Choose the correct or the most appropriate answer for this question. According to the definition of mechanical work, pushing on a rock accomplishes no work unless there is ---------.

Choose the correct or the most appropriate answer for this question. Radiant energy can be converted to electrical energy using ---------.

Choose the correct or the most appropriate answer for this question. The conductivity of a substance depends on its state. The increasing order of the conductivity of the state is ---------.

Choose the correct or the most appropriate answer for this question. The absolute temperature of an ideal gas is directly proportional to ---------.

Choose the correct or the most appropriate answer for this question. The r m s speed is the ---------.

Choose the correct or the most appropriate answer for this question. An ideal gas has the volume V0. If the temperature and the pressure are each tripled during a process, the new volume is ---------.

Choose the correct or the most appropriate answer for this question. If you want to move heat from a region of cooler temperature to a region of warmer temperature, you must supply energy. This is described by the ------

Choose the correct or the most appropriate answer for this question. The velocity of sound in air depends on the ---------.

Choose the correct or the most appropriate answer for this question. The waves with the frequency above the audible range of human beings are called ---------.

The distance which compression or a rarefaction travels per unit of time gives ---------.

The phenomenon where a sound produced is heard again due to reflection is called ---------.

Loudness is a subjective sensation that depends on:

The ratio of phase difference to that of path difference between two light waves is ---------.

What kind of sources are required for Young’s Double Slit experiment?

Which of the following incident light wavefronts is most suitable for observing a single slit diffraction pattern?

Light seems to turn around corners and enter regions where we would expect a shadow. These effects, known as ---------.

According to Huygens principle of secondary wavelets, each particle at a wave front ---------.

Lens maker’s formula can be expressed as ---------.

--------- microscope uses a single lens for magnification.

A person sees an object closer to his eyes. What changes will take place in his eyes?

Light energy radiated per second from a luminous body is known as:

The unit of solid angle is ---------.

--------- connection of the three capacitors, the potential difference of each capacitor is the same?

Three 6 V batteries with internal resistance r Ω are connected in series. The total internal resistance of the combination is ---------.

Batteries and generators are called source of ---------.

Kirchhoff’s voltage rule is based on the ---------.

A fuse is usually made of ---------.

An inductor stores energy as ---------.

Which of the following will happen in a transformer when the number of secondary turns is less than the number of primary turns?

Which of the following is correct regarding Faraday’s Law?

Which device uses a split-ring commutator?

A coil of copper wire is moved parallel to a uniform magnetic field. The e.m.f. induced in the coil will ---------.

What happens to the resistance of a light dependent resistor (LDR) during the day?

In LED light is emitted because:

Which of the following is an INVALID state in an 8421 binary-code decimal?

Which of the following segments are enabled in a 7-segment display when a digit ‘2’ is displayed on the screen?

Which of the following is the correct order of binary weight?

In nuclear reaction $$^{238}_{92}\mathrm{U} \rightarrow {}^{234}_{90}\mathrm{Th} + X$$ , here particle X is ---------.

In radioactive decay which of the following quantity depends on the number of atoms ---------.

Radio carbon dating technique is used to estimate the age of ---------.

Nuclear waste products are packaged up in --------- and steel containers and are buried deep underground or dropped to the bottom of the sea.

The rest mass of an electron is $$m_0$$ . When it moves with the velocity of $$0.6\,c$$ then its mass is --------- $$m_0$$ .

The angular acceleration is known as the rate of change of ---------.

The initial angular velocity of an object is $$10\ \text{rad s}^{-1}$$ . After $$10$$ seconds the angular velocity becomes $$20\ \text{rad s}^{-1}$$ . Find the angular acceleration of the object.

Find the mass of the object in the figures.

A free-body diagram is the diagram showing

Which of these is an elastic store?

A tungsten-filament lamp is 4% efficient. How much electrical energy must be supplied to the lamp each second when it produces 6 J of light per second?

The transfer of heat that takes place directly from molecule to molecule is ---------.

What is the maximum possible thermal efficiency of a steam engine that takes in steam at $$160\ ^\circ\text{C}$$ and exhausts it at $$100\ ^\circ\text{C}$$ ?

The Doppler ultrasound technique is used ---------.

As a ship approaches a cliff, its siren is sounded and the echo is heard in the ship after $$10\ \text{s}$$ . If the speed of sound in air is $$340\ \text{m s}^{-1}$$ , calculate the distance between the ship and the cliff.

As compared to light microscope, the resolving power of electron microscope is ---------.

The focal length of the objective and eyepiece of an astronomical telescope for normal adjustments are $$50\ \text{cm}$$ and $$5\ \text{cm}$$ . The separation of the lenses should be ---------.

The dielectric constant for vacuum is ---------.

One unit of electricity is equal to ---------.

The process of producing electric current through the variable magnetic field is called ---------.

What will be used inductance of a coil of 200 turns in which a current of 2 A produces a magnetic flux of 4 m Wb?

LEDs operates at --------- bias.

What is the voltage across each diode when the current is 20 mA through it in the figures?

If a U-238 nucleus splits into two identical parts, the two nuclei so produced will be ---------.

An electron and a 6.0 kg bowling ball each have 4.50 eV of kinetic energy. Calculate the de Broglie wavelength associated with electron.

The centripetal force exerted on a 9 kg car that negotiates a 3 m radius curve at 2.0 m s^-1. Assuming an unbanked curve, find the centripetal force?

If a liquid enters a pipe of diameter d with a velocity v, what will it's velocity at the exit if the diameter reduces to 0.5d?