Question
Answer the following question based on the direction
given below. If 'A # B' means 'A is the father of B' 'A @ B' means 'A is the brother of B' 'A % B' means 'A is the daughter of B' 'A & B' means 'A is the mother of B' If D % E & G @ F # H % C is true, then how is C related to E?Solution
A train approaches a stationary observer with a speed of 36 km/h. It emits a sound of frequency 500 Hz. If the speed of sound is 340 m/s, what is the ap...
Calculate the work done in moving a charge of 2 C across two points having a potential difference of 12 V.
Light from a point source in air falls on a spherical glass surface (n=1.5 c and radius of curvature = 10 cm). The distance of the light source from the...
A pond of water appears less deep due to –
An electron in a hydrogen atom de-excites from the 4th to the 2nd level. The wavelength of emitted photon falls in which series?
An object moves towards a convex lens of focal length 20 cm with a velocity of 5 cm/s. When the object is at 30 cm from the lens, find the rate at which...
What is the electrical charge of a neutrino?
What is the function of a fuse in an electric circuit? Â
Which physical quantity is conserved in a collision (in the absence of external forces)? Â
Which of the following is an example of a non-renewable source of energy? Â
Relevant for Exams:
