Sarita, when entered her house, got a pleasant smell of incense stick lit by her mother during puja. She went near to the place where incense stick was burning and observed that, the paper kept below it was
burned at many places. She immediately suggests her mother to keep the burning incense stick on some
metal plate hereafter.
a) What kind of change is burning of incense stick? (1)
b) The paper kept below the incense stick was burnt at many places. Why? (1)
c) What values of Sarita are shown here?

You have two photos of a person walking. one shows the person at the corner of third and main streets, the other shows the person at the corner of tenth and main streets. there are lampposts at every corner in this town, and the first picture shows it to be 10: 32: 00 exactly. the second picture shows it to be 10: 49: 30. you know three facts: (1) all of the clocks are synchronized; (2) there are exactly 12 equal-sized blocks per kilometer in this town; and (3) the streets that cross main in this area are numbered consecutively, with no interruptions. what is the person’s average speed in kilometers per hour?

The two most prominent wavelengths in the light emitted by a hydrogen discharge lamp are 656(red) and 486 (blue). light from a hydrogen lamp illuminates a diffraction grating with 500 lines per mm, and the light is observed on a screen 1.50 behind the grating. what is the distance between the first-order red and blue fringes?

Standing at the same location, which organism would have the greatest gravitational attraction to the earth? a- your pet dog b- your pet ant c- your pet opossum d- your pet elephant