What is the angle between two hands of a clock when the time in the clock is
(a) 9’O clock (b) 6’O clock (c) `7:00 PM`

The angle between the hour hand and the minute hand of a clock at the time 4:20 is ………..

What is the ratio of angular speed of hour hand and minute hand of a clock?

Find the degree of radian, the angle between the hour hand and the minute hand of a clock at half past three.

What is the force between two small charged spheres having charges of 2 xx 10^(-7)C and 3 xx 10^(-7) C placed 30 cm apart in air ?

Two clocks are being tsted against a standard clock located in the national laboratory. At 10: 00: 00 AM by the standard clock, the readings of the clocks are : If you are doing an experiment that requires prescision time interval measurements, which of the two clock will you prefer ? (a) Clock A (b) Clock B (c) Either Clock A or B (d) Neithr A nor B

Two clocks are being tested against a standard clock located in a national laboratory. At 12:00:00 noon by the standard clock, the readings of the two clocks are : {:(,"Clock1", "Clock 2"),("Monday",12:00:05:,10:15:06),("Tuesday",12:01:15,10:14:18),("Wednesday",11:59:08,10:15:18),("Thursday",12:01:50,10:15:07),("Friday",11:59:15,10:14:53),("Saturday",12:01:30,10:15:24),("Sunday",12:01:19,10:15:11), ("Sunday",12:01:19,10:15:11):} If you are doing an experiment that requires precision time interval measurements, which of the two clocks will you prefer? The range of variation in time of clock ?

A clock pendulum made of invar has a period of 2 s at 20^(@)C . If the clock is used in a climate where average temperature is 40^(@)C , what correction (in seconds ) may be necessary at the end of 10 days to the time given by clock? (alpha_("invar") = 7 xx 10^(-7) "^(@)C, 1 "day" = 8.64xx10^(4)s )

If A(-4,0,3)a n dB(14 ,2,-5), then which one of the following points lie on the bisector of the angle between vec O Aa n d vec O B(O is the origin of reference )? a. (2,2,4) b. (2, 11 ,5) c. (-3,-3,-6) d. (1,1,2)