List of practice Questions

Five particles of mass $2\,kg$ are attached to the rim of a circular disc of radius $0.1\,m$ and negligible mass. Moment of inertia of the system about the axis passing through the centre of the disc and perpendicular to its plane is:
The radius of the convex surface of planoconvex lens is $20\,cm$ and the refractive index of the material of the lens is $1.5$. The focal length is:
A can filled with water is revolved in a vertical circle of radius $4\,m$ and the water does not fall down. What must be the maximum period of revolution?
A coil having $N$ turns carry a current as shown in the figure. The magnetic field intensity at point $P$ is:
Which part of human brain controls the breathing movements ?
Which mirror is to be used to obtain a parallel beam of light from a small lamp ?
The value of $Cos (270^\circ +\theta )Cos (90^\circ - \theta ) - Sin (270^\circ - \theta )Cos \theta$ is
An emulsifier is a substance which
Which of the following groups of algae do not have eukaryotic organization ?
If 'muscle times speed equals power' what is the ratio of the $SI$ unit and the $CGS$ unit of muscle?
An object travels north with a velocity of $ 10\,m{{s}^{-1}} $ and then speeds up to a velocity of $ 25\,m{{s}^{-1}} $ in 5 s. The acceleration of the object in these 5 s is:
A container is filled with water ($\mu$ = 1.33) up to a height of 33.25 cm. A concave mirror is placed 15 cm above the water level and the image of an object placed at the bottom is formed 25 cm below the water level. The focal length of the mirror is
${4K2Cr2O7 ->[Heat] 4K2CrO4 + 3O2 + X. }$ In the above reaction X is:
Aluminium reacts with caustic soda to form:
A conducting sphere of radius $R=20\, cm$ is given a charge $Q=16 \,\mu C$. What is $\vec{ E }$ at centre?
In oogamy fertilization involves
Lanthanoids are
For the following verbal analogies pick the pair that exhibits the most similar relationship to the given analogy
Augur; Future
For the following verbal analogies pick the pair that exhibits the most similar relationship to the given analogy
Stately; Demeanour
This question consists of a word, followed by four words. Choose the word that is most nearly opposite in meaning to the word given
FLAMBOYANT
Many people suggest _______ and still other would like to convince people not to buy pirated cassettes.
The ancient Egyptians believed ______ so that when these objects were magically reanimated through the correct rituals, they would be able to function effectively.
Archaeologists believe that the pieces of red – ware pottery excavated recently near Bhavnagar and _______ shed light on a hitherto dark 600-year period in the Harappan history of Gujarat.
Train A travelling at 60km/hr leaves Mumbai for Delhi at 6 p.m. Train B travelling at 90 km/hr also leaves Mumbai for Delhi at 9 p.m. Train C leaves Delhi for Mumbai at 9 p.m. If all the three trains meet at the some time between Mumbai and Delhi, then what is the speed of Train C if the distance between Delhi and Mumbai is 1260 km?
A proton enters a magnetic field parallel to the direction of the field. Then, the path followed by it is